465221946388 has 12 divisors (see below), whose sum is σ = 814249511712. Its totient is φ = 232579228760.

The previous prime is 465221946323. The next prime is 465221946401. The reversal of 465221946388 is 883649122564.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7903120 + ... + 7961767.

It is an arithmetic number, because the mean of its divisors is an integer number (67854125976).

Almost surely, 2^465221946388 is an apocalyptic number.

It is an amenable number.

465221946388 is a deficient number, since it is larger than the sum of its proper divisors (349027565324).

465221946388 is a wasteful number, since it uses less digits than its factorization.

465221946388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15872222 (or 15872220 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 58.

The spelling of 465221946388 in words is "four hundred sixty-five billion, two hundred twenty-one million, nine hundred forty-six thousand, three hundred eighty-eight".