340860499869 has 4 divisors (see below), whose sum is σ = 454480666496. Its totient is φ = 227240333244.

The previous prime is 340860499853. The next prime is 340860499921. The reversal of 340860499869 is 968994068043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 340860499869 - 2⁴ = 340860499853 is a prime.

It is a super-2 number, since 2×340860499869² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340860497869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56810083309 + ... + 56810083314.

It is an arithmetic number, because the mean of its divisors is an integer number (113620166624).

Almost surely, 2^340860499869 is an apocalyptic number.

It is an amenable number.

340860499869 is a deficient number, since it is larger than the sum of its proper divisors (113620166627).

340860499869 is a wasteful number, since it uses less digits than its factorization.

340860499869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113620166626.

The product of its (nonzero) digits is 80621568, while the sum is 66.

The spelling of 340860499869 in words is "three hundred forty billion, eight hundred sixty million, four hundred ninety-nine thousand, eight hundred sixty-nine".