431946861412 has 36 divisors (see below), whose sum is σ = 831026806848. Its totient is φ = 196303135600.

The previous prime is 431946861397. The next prime is 431946861431. The reversal of 431946861412 is 214168649134.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2626233 + ... + 2785855.

It is an arithmetic number, because the mean of its divisors is an integer number (23084077968).

Almost surely, 2^431946861412 is an apocalyptic number.

It is an amenable number.

431946861412 is a deficient number, since it is larger than the sum of its proper divisors (399079945436).

431946861412 is a wasteful number, since it uses less digits than its factorization.

431946861412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165240 (or 165227 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The spelling of 431946861412 in words is "four hundred thirty-one billion, nine hundred forty-six million, eight hundred sixty-one thousand, four hundred twelve".