13531154953 has 2 divisors, whose sum is σ = 13531154954. Its totient is φ = 13531154952.

The previous prime is 13531154941. The next prime is 13531155013. The reversal of 13531154953 is 35945113531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7753330809 + 5777824144 = 88053^2 + 76012^2 .

It is a cyclic number.

It is not a de Polignac number, because 13531154953 - 2²⁵ = 13497600521 is a prime.

It is not a weakly prime, because it can be changed into another prime (13531154053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765577476 + 6765577477.

It is an arithmetic number, because the mean of its divisors is an integer number (6765577477).

Almost surely, 2^13531154953 is an apocalyptic number.

It is an amenable number.

13531154953 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531154953 is an equidigital number, since it uses as much as digits as its factorization.

13531154953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121500, while the sum is 40.

The spelling of 13531154953 in words is "thirteen billion, five hundred thirty-one million, one hundred fifty-four thousand, nine hundred fifty-three".