13657326953 has 2 divisors, whose sum is σ = 13657326954. Its totient is φ = 13657326952.

The previous prime is 13657326937. The next prime is 13657326971. The reversal of 13657326953 is 35962375631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13338633049 + 318693904 = 115493^2 + 17852^2 .

It is a cyclic number.

It is not a de Polignac number, because 13657326953 - 2⁴ = 13657326937 is a prime.

It is a super-2 number, since 2×13657326953² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13657326973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6828663476 + 6828663477.

It is an arithmetic number, because the mean of its divisors is an integer number (6828663477).

Almost surely, 2^13657326953 is an apocalyptic number.

It is an amenable number.

13657326953 is a deficient number, since it is larger than the sum of its proper divisors (1).

13657326953 is an equidigital number, since it uses as much as digits as its factorization.

13657326953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3061800, while the sum is 50.

The spelling of 13657326953 in words is "thirteen billion, six hundred fifty-seven million, three hundred twenty-six thousand, nine hundred fifty-three".