342912134569 has 3 divisors (see below), whose sum is σ = 342912720157. Its totient is φ = 342911548982.

The previous prime is 342912134557. The next prime is 342912134581. The reversal of 342912134569 is 965431219243.

The square root of 342912134569 is 585587.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (342912134557) and next prime (342912134581).

It is not a de Polignac number, because 342912134569 - 2¹⁵ = 342912101801 is a prime.

It is a super-2 number, since 2×342912134569² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342912134519) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 292794 + ... + 878380.

Almost surely, 2^342912134569 is an apocalyptic number.

342912134569 is the 585587-th square number.

342912134569 is the 292794-th centered octagonal number.

It is an amenable number.

342912134569 is a deficient number, since it is larger than the sum of its proper divisors (585588).

342912134569 is an frugal number, since it uses more digits than its factorization.

342912134569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171174 (or 585587 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 49.

Multiplying 342912134569 by its sum of digits (49), we get a square (16802694593881 = 4099109²).

It can be divided in two parts, 342912 and 134569, that added together give a square (477481 = 691²).

The spelling of 342912134569 in words is "three hundred forty-two billion, nine hundred twelve million, one hundred thirty-four thousand, five hundred sixty-nine".