4256394934 has 16 divisors (see below), whose sum is σ = 7331590080. Its totient is φ = 1832897160.

The previous prime is 4256394913. The next prime is 4256394977. The reversal of 4256394934 is 4394936524.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5090964 + ... + 5091799.

It is an arithmetic number, because the mean of its divisors is an integer number (458224380).

Almost surely, 2^4256394934 is an apocalyptic number.

4256394934 is a deficient number, since it is larger than the sum of its proper divisors (3075195146).

4256394934 is a wasteful number, since it uses less digits than its factorization.

4256394934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10182795.

The product of its digits is 2799360, while the sum is 49.

The square root of 4256394934 is about 65241.0525206330. The cubic root of 4256394934 is about 1620.6179289286.

The spelling of 4256394934 in words is "four billion, two hundred fifty-six million, three hundred ninety-four thousand, nine hundred thirty-four".