34457615643 has 24 divisors (see below), whose sum is σ = 50525557264. Its totient is φ = 20872779840.

The previous prime is 34457615629. The next prime is 34457615653. The reversal of 34457615643 is 34651675443.

34457615643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34457615643 - 2⁹ = 34457615131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34457615592 and 34457615601.

It is not an unprimeable number, because it can be changed into a prime (34457615653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 722121 + ... + 768357.

Almost surely, 2^34457615643 is an apocalyptic number.

34457615643 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

34457615643 is a deficient number, since it is larger than the sum of its proper divisors (16067941621).

34457615643 is a wasteful number, since it uses less digits than its factorization.

34457615643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48315 (or 48304 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 48.

The spelling of 34457615643 in words is "thirty-four billion, four hundred fifty-seven million, six hundred fifteen thousand, six hundred forty-three".