6403157958 has 16 divisors (see below), whose sum is σ = 12811366656. Its totient is φ = 2133544200.

The previous prime is 6403157837. The next prime is 6403157977. The reversal of 6403157958 is 8597513046.

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, 193866 + ... + 224477.

It is an arithmetic number, because the mean of its divisors is an integer number (800710416).

Almost surely, 2^6403157958 is an apocalyptic number.

6403157958 is an abundant number, since it is smaller than the sum of its proper divisors (6408208698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6403157958 is a wasteful number, since it uses less digits than its factorization.

6403157958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420899.

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 6403157958 is about 80019.7348033596. The cubic root of 6403157958 is about 1856.9408570359.

The spelling of 6403157958 in words is "six billion, four hundred three million, one hundred fifty-seven thousand, nine hundred fifty-eight".