13974480997 has 2 divisors, whose sum is σ = 13974480998. Its totient is φ = 13974480996.

The previous prime is 13974480983. The next prime is 13974481043. The reversal of 13974480997 is 79908447931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10882453761 + 3092027236 = 104319^2 + 55606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13974480997 is a prime.

It is a super-2 number, since 2×13974480997² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13974480977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6987240498 + 6987240499.

It is an arithmetic number, because the mean of its divisors is an integer number (6987240499).

Almost surely, 2^13974480997 is an apocalyptic number.

It is an amenable number.

13974480997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13974480997 is an equidigital number, since it uses as much as digits as its factorization.

13974480997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13716864, while the sum is 61.

The spelling of 13974480997 in words is "thirteen billion, nine hundred seventy-four million, four hundred eighty thousand, nine hundred ninety-seven".