13409093237 has 2 divisors, whose sum is σ = 13409093238. Its totient is φ = 13409093236.

The previous prime is 13409093189. The next prime is 13409093251. The reversal of 13409093237 is 73239090431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8044116721 + 5364976516 = 89689^2 + 73246^2 .

It is a cyclic number.

It is not a de Polignac number, because 13409093237 - 2⁸ = 13409092981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13409093194 and 13409093203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13409093267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6704546618 + 6704546619.

It is an arithmetic number, because the mean of its divisors is an integer number (6704546619).

Almost surely, 2^13409093237 is an apocalyptic number.

It is an amenable number.

13409093237 is a deficient number, since it is larger than the sum of its proper divisors (1).

13409093237 is an equidigital number, since it uses as much as digits as its factorization.

13409093237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

The spelling of 13409093237 in words is "thirteen billion, four hundred nine million, ninety-three thousand, two hundred thirty-seven".