431201606646650 has 192 divisors, whose sum is σ = 952088472794880. Its totient is φ = 142160968857600.

The previous prime is 431201606646637. The next prime is 431201606646697. The reversal of 431201606646650 is 56646606102134.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3201679112 + ... + 3201813788.

It is an arithmetic number, because the mean of its divisors is an integer number (4958794129140).

Almost surely, 2^{431201606646650} is an apocalyptic number.

431201606646650 is an abundant number, since it is smaller than the sum of its proper divisors (520886866148230).

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

431201606646650 is a wasteful number, since it uses less digits than its factorization.

431201606646650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136009 (or 136004 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 431201606646650 in words is "four hundred thirty-one trillion, two hundred one billion, six hundred six million, six hundred forty-six thousand, six hundred fifty".