342891053761 has 3 divisors (see below), whose sum is σ = 342891639331. Its totient is φ = 342890468192.

The previous prime is 342891053737. The next prime is 342891053797. The reversal of 342891053761 is 167350198243.

The square root of 342891053761 is 585569.

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 can be written as a sum of positive squares in only one way, i.e., 130406932161 + 212484121600 = 361119^2 + 460960^2 .

It is not a de Polignac number, because 342891053761 - 2¹⁵ = 342891020993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342891083761) 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, 292785 + ... + 878353.

It is a 1-persistent number, because it is pandigital, but 2⋅342891053761 = 685782107522 is not.

Almost surely, 2^342891053761 is an apocalyptic number.

342891053761 is the 585569-th square number.

342891053761 is the 292785-th centered octagonal number.

It is an amenable number.

342891053761 is a deficient number, since it is larger than the sum of its proper divisors (585570).

342891053761 is an frugal number, since it uses more digits than its factorization.

342891053761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171138 (or 585569 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

Multiplying 342891053761 by its sum of digits (49), we get a square (16801661634289 = 4098983²).

The spelling of 342891053761 in words is "three hundred forty-two billion, eight hundred ninety-one million, fifty-three thousand, seven hundred sixty-one".