13975420933 has 2 divisors, whose sum is σ = 13975420934. Its totient is φ = 13975420932.

The previous prime is 13975420871. The next prime is 13975420969. The reversal of 13975420933 is 33902457931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13871421729 + 103999204 = 117777^2 + 10198^2 .

It is a cyclic number.

It is not a de Polignac number, because 13975420933 - 2²⁵ = 13941866501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13975420033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6987710466 + 6987710467.

It is an arithmetic number, because the mean of its divisors is an integer number (6987710467).

Almost surely, 2^13975420933 is an apocalyptic number.

It is an amenable number.

13975420933 is a deficient number, since it is larger than the sum of its proper divisors (1).

13975420933 is an equidigital number, since it uses as much as digits as its factorization.

13975420933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 46.

The spelling of 13975420933 in words is "thirteen billion, nine hundred seventy-five million, four hundred twenty thousand, nine hundred thirty-three".