634365220264125 has 64 divisors (see below), whose sum is σ = 1206392181096960. Its totient is φ = 289992938073600.

The previous prime is 634365220264103. The next prime is 634365220264151. The reversal of 634365220264125 is 521462022563436.

634365220264125 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 634365220264125 - 2¹² = 634365220260029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 309803167 + ... + 311844083.

It is an arithmetic number, because the mean of its divisors is an integer number (18849877829640).

Almost surely, 2^{634365220264125} is an apocalyptic number.

It is an amenable number.

634365220264125 is a deficient number, since it is larger than the sum of its proper divisors (572026960832835).

634365220264125 is a wasteful number, since it uses less digits than its factorization.

634365220264125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159351 (or 2159341 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 51.

The spelling of 634365220264125 in words is "six hundred thirty-four trillion, three hundred sixty-five billion, two hundred twenty million, two hundred sixty-four thousand, one hundred twenty-five".