364490751921 has 32 divisors (see below), whose sum is σ = 505405636608. Its totient is φ = 233408286720.

The previous prime is 364490751917. The next prime is 364490751929. The reversal of 364490751921 is 129157094463.

It is a happy number.

It is not a de Polignac number, because 364490751921 - 2² = 364490751917 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (364490751929) 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, 6737040 + ... + 6790926.

It is an arithmetic number, because the mean of its divisors is an integer number (15793926144).

Almost surely, 2^364490751921 is an apocalyptic number.

364490751921 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

364490751921 is a deficient number, since it is larger than the sum of its proper divisors (140914884687).

364490751921 is a wasteful number, since it uses less digits than its factorization.

364490751921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54461.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 364490751921 in words is "three hundred sixty-four billion, four hundred ninety million, seven hundred fifty-one thousand, nine hundred twenty-one".