13637625241 has 2 divisors, whose sum is σ = 13637625242. Its totient is φ = 13637625240.

The previous prime is 13637625217. The next prime is 13637625251. The reversal of 13637625241 is 14252673631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9992001600 + 3645623641 = 99960^2 + 60379^2 .

It is a cyclic number.

It is not a de Polignac number, because 13637625241 - 2¹⁵ = 13637592473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13637625194 and 13637625203.

It is not a weakly prime, because it can be changed into another prime (13637625251) 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, 6818812620 + 6818812621.

It is an arithmetic number, because the mean of its divisors is an integer number (6818812621).

Almost surely, 2^13637625241 is an apocalyptic number.

It is an amenable number.

13637625241 is a deficient number, since it is larger than the sum of its proper divisors (1).

13637625241 is an equidigital number, since it uses as much as digits as its factorization.

13637625241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The spelling of 13637625241 in words is "thirteen billion, six hundred thirty-seven million, six hundred twenty-five thousand, two hundred forty-one".