634461625333641 has 32 divisors (see below), whose sum is σ = 989380407426048. Its totient is φ = 354083018909760.

The previous prime is 634461625333597. The next prime is 634461625333693. The reversal of 634461625333641 is 146333526164436.

It is not a de Polignac number, because 634461625333641 - 2¹⁵ = 634461625300873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634461625333141) 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, 25701786 + ... + 43926131.

It is an arithmetic number, because the mean of its divisors is an integer number (30918137732064).

Almost surely, 2^{634461625333641} is an apocalyptic number.

It is an amenable number.

634461625333641 is a deficient number, since it is larger than the sum of its proper divisors (354918782092407).

634461625333641 is a wasteful number, since it uses less digits than its factorization.

634461625333641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69638061.

The product of its digits is 67184640, while the sum is 57.

The spelling of 634461625333641 in words is "six hundred thirty-four trillion, four hundred sixty-one billion, six hundred twenty-five million, three hundred thirty-three thousand, six hundred forty-one".