634204600425 has 72 divisors (see below), whose sum is σ = 1285093686240. Its totient is φ = 307493107200.

The previous prime is 634204600333. The next prime is 634204600433. The reversal of 634204600425 is 524006402436.

634204600425 is a `hidden beast` number, since 6 + 3 + 4 + 2 + 0 + 4 + 600 + 42 + 5 = 666.

It is not a de Polignac number, because 634204600425 - 2¹⁶ = 634204534889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634204600425.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4678440 + ... + 4812089.

It is an arithmetic number, because the mean of its divisors is an integer number (17848523420).

Almost surely, 2^634204600425 is an apocalyptic number.

It is an amenable number.

634204600425 is an abundant number, since it is smaller than the sum of its proper divisors (650889085815).

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

634204600425 is a wasteful number, since it uses less digits than its factorization.

634204600425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9490565 (or 9490548 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 634204600425 in words is "six hundred thirty-four billion, two hundred four million, six hundred thousand, four hundred twenty-five".