643027366425 has 48 divisors (see below), whose sum is σ = 1067555922048. Its totient is φ = 341523916800.

The previous prime is 643027366411. The next prime is 643027366439. The reversal of 643027366425 is 524663720346.

It is an interprime number because it is at equal distance from previous prime (643027366411) and next prime (643027366439).

It is not a de Polignac number, because 643027366425 - 2⁷ = 643027366297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104164639 + ... + 104170811.

It is an arithmetic number, because the mean of its divisors is an integer number (22240748376).

Almost surely, 2^643027366425 is an apocalyptic number.

It is an amenable number.

643027366425 is a deficient number, since it is larger than the sum of its proper divisors (424528555623).

643027366425 is a wasteful number, since it uses less digits than its factorization.

643027366425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11730 (or 11725 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 48.

The spelling of 643027366425 in words is "six hundred forty-three billion, twenty-seven million, three hundred sixty-six thousand, four hundred twenty-five".