380949487172 has 6 divisors (see below), whose sum is σ = 666661602558. Its totient is φ = 190474743584.

The previous prime is 380949487081. The next prime is 380949487181. The reversal of 380949487172 is 271784949083.

It can be written as a sum of positive squares in only one way, i.e., 380795131396 + 154355776 = 617086^2 + 12424^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47618685893 + ... + 47618685900.

It is an arithmetic number, because the mean of its divisors is an integer number (111110267093).

Almost surely, 2^380949487172 is an apocalyptic number.

It is an amenable number.

380949487172 is a deficient number, since it is larger than the sum of its proper divisors (285712115386).

380949487172 is a wasteful number, since it uses less digits than its factorization.

380949487172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95237371797 (or 95237371795 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 62.

The spelling of 380949487172 in words is "three hundred eighty billion, nine hundred forty-nine million, four hundred eighty-seven thousand, one hundred seventy-two".