425501680636 has 6 divisors (see below), whose sum is σ = 744627941120. Its totient is φ = 212750840316.

The previous prime is 425501680613. The next prime is 425501680649. The reversal of 425501680636 is 636086105524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53187710076 + ... + 53187710083.

Almost surely, 2^425501680636 is an apocalyptic number.

It is an amenable number.

425501680636 is a deficient number, since it is larger than the sum of its proper divisors (319126260484).

425501680636 is a wasteful number, since it uses less digits than its factorization.

425501680636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106375420163 (or 106375420161 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 425501680636 in words is "four hundred twenty-five billion, five hundred one million, six hundred eighty thousand, six hundred thirty-six".