380919600721 has 32 divisors (see below), whose sum is σ = 428667240960. Its totient is φ = 335555520000.

The previous prime is 380919600707. The next prime is 380919600739. The reversal of 380919600721 is 127006919083.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 380919600721 - 2¹¹ = 380919598673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380919600791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15789150 + ... + 15813256.

It is an arithmetic number, because the mean of its divisors is an integer number (13395851280).

Almost surely, 2^380919600721 is an apocalyptic number.

It is an amenable number.

380919600721 is a deficient number, since it is larger than the sum of its proper divisors (47747640239).

380919600721 is a wasteful number, since it uses less digits than its factorization.

380919600721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24525.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 380919600721 in words is "three hundred eighty billion, nine hundred nineteen million, six hundred thousand, seven hundred twenty-one".