344455525613 has 4 divisors (see below), whose sum is σ = 344458222620. Its totient is φ = 344452828608.

The previous prime is 344455525567. The next prime is 344455525627. The reversal of 344455525613 is 316525554443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 174053336809 + 170402188804 = 417197^2 + 412798^2 .

It is a cyclic number.

It is not a de Polignac number, because 344455525613 - 2²² = 344451331309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344455525643) 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, 1146878 + ... + 1415711.

It is an arithmetic number, because the mean of its divisors is an integer number (86114555655).

Almost surely, 2^344455525613 is an apocalyptic number.

It is an amenable number.

344455525613 is a deficient number, since it is larger than the sum of its proper divisors (2697007).

344455525613 is a wasteful number, since it uses less digits than its factorization.

344455525613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697006.

The product of its digits is 4320000, while the sum is 47.

The spelling of 344455525613 in words is "three hundred forty-four billion, four hundred fifty-five million, five hundred twenty-five thousand, six hundred thirteen".