34013620405 has 4 divisors (see below), whose sum is σ = 40816344492. Its totient is φ = 27210896320.

The previous prime is 34013620387. The next prime is 34013620411. The reversal of 34013620405 is 50402631043.

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 6667375716 + 27346244689 = 81654^2 + 165367^2 .

It is not a de Polignac number, because 34013620405 - 2⁵ = 34013620373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3401362036 + ... + 3401362045.

It is an arithmetic number, because the mean of its divisors is an integer number (10204086123).

Almost surely, 2^34013620405 is an apocalyptic number.

It is an amenable number.

34013620405 is a deficient number, since it is larger than the sum of its proper divisors (6802724087).

34013620405 is an equidigital number, since it uses as much as digits as its factorization.

34013620405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6802724086.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 34013620405 in words is "thirty-four billion, thirteen million, six hundred twenty thousand, four hundred five".