13551513953 has 2 divisors, whose sum is σ = 13551513954. Its totient is φ = 13551513952.

The previous prime is 13551513949. The next prime is 13551514013. The reversal of 13551513953 is 35931515531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7528512289 + 6023001664 = 86767^2 + 77608^2 .

It is a cyclic number.

It is not a de Polignac number, because 13551513953 - 2² = 13551513949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13551513953.

It is not a weakly prime, because it can be changed into another prime (13551513923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6775756976 + 6775756977.

It is an arithmetic number, because the mean of its divisors is an integer number (6775756977).

Almost surely, 2^13551513953 is an apocalyptic number.

It is an amenable number.

13551513953 is a deficient number, since it is larger than the sum of its proper divisors (1).

13551513953 is an equidigital number, since it uses as much as digits as its factorization.

13551513953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151875, while the sum is 41.

The spelling of 13551513953 in words is "thirteen billion, five hundred fifty-one million, five hundred thirteen thousand, nine hundred fifty-three".