3609969137 has 2 divisors, whose sum is σ = 3609969138. Its totient is φ = 3609969136.

The previous prime is 3609969119. The next prime is 3609969151. The reversal of 3609969137 is 7319699063.

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., 2949684721 + 660284416 = 54311^2 + 25696^2 .

It is a cyclic number.

It is not a de Polignac number, because 3609969137 - 2⁸ = 3609968881 is a prime.

It is not a weakly prime, because it can be changed into another prime (3609969157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1804984568 + 1804984569.

It is an arithmetic number, because the mean of its divisors is an integer number (1804984569).

Almost surely, 2^3609969137 is an apocalyptic number.

It is an amenable number.

3609969137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3609969137 is an equidigital number, since it uses as much as digits as its factorization.

3609969137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1653372, while the sum is 53.

The square root of 3609969137 is about 60083.0187074518. The cubic root of 3609969137 is about 1534.0322727161.

The spelling of 3609969137 in words is "three billion, six hundred nine million, nine hundred sixty-nine thousand, one hundred thirty-seven".