634051442157 has 32 divisors (see below), whose sum is σ = 1015875098880. Its totient is φ = 344086686720.

The previous prime is 634051442153. The next prime is 634051442177. The reversal of 634051442157 is 751244150436.

634051442157 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 634051442157 - 2² = 634051442153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634051442153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8496748 + ... + 8571045.

It is an arithmetic number, because the mean of its divisors is an integer number (31746096840).

Almost surely, 2^634051442157 is an apocalyptic number.

It is an amenable number.

634051442157 is a deficient number, since it is larger than the sum of its proper divisors (381823656723).

634051442157 is a wasteful number, since it uses less digits than its factorization.

634051442157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17067893.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 634051442157 in words is "six hundred thirty-four billion, fifty-one million, four hundred forty-two thousand, one hundred fifty-seven".