14990639401 has 2 divisors, whose sum is σ = 14990639402. Its totient is φ = 14990639400.

The previous prime is 14990639359. The next prime is 14990639479. The reversal of 14990639401 is 10493609941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10480845376 + 4509794025 = 102376^2 + 67155^2 .

It is a cyclic number.

It is not a de Polignac number, because 14990639401 - 2⁷ = 14990639273 is a prime.

It is not a weakly prime, because it can be changed into another prime (14990634401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7495319700 + 7495319701.

It is an arithmetic number, because the mean of its divisors is an integer number (7495319701).

Almost surely, 2^14990639401 is an apocalyptic number.

It is an amenable number.

14990639401 is a deficient number, since it is larger than the sum of its proper divisors (1).

14990639401 is an equidigital number, since it uses as much as digits as its factorization.

14990639401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 14990639401 in words is "fourteen billion, nine hundred ninety million, six hundred thirty-nine thousand, four hundred one".