344979743522 has 6 divisors (see below), whose sum is σ = 517470861243. Its totient is φ = 172489456442.

The previous prime is 344979743501. The next prime is 344979743527. The reversal of 344979743522 is 225347979443.

It can be written as a sum of positive squares in only one way, i.e., 172489871761 + 172489871761 = 415319^2 + 415319^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=415319.

It is a super-2 number, since 2×344979743522² (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 (344979743527) 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, 622979 + ... + 1038297.

Almost surely, 2^344979743522 is an apocalyptic number.

344979743522 is a deficient number, since it is larger than the sum of its proper divisors (172491117721).

344979743522 is an frugal number, since it uses more digits than its factorization.

344979743522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830640 (or 415321 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 59.

The spelling of 344979743522 in words is "three hundred forty-four billion, nine hundred seventy-nine million, seven hundred forty-three thousand, five hundred twenty-two".