6136744969 has 2 divisors, whose sum is σ = 6136744970. Its totient is φ = 6136744968.

The previous prime is 6136744961. The next prime is 6136745009. The reversal of 6136744969 is 9694476316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5886725625 + 250019344 = 76725^2 + 15812^2 .

It is a cyclic number.

It is not a de Polignac number, because 6136744969 - 2³ = 6136744961 is a prime.

It is a super-2 number, since 2×6136744969² = 75319277629093621922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6136744961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3068372484 + 3068372485.

It is an arithmetic number, because the mean of its divisors is an integer number (3068372485).

Almost surely, 2^6136744969 is an apocalyptic number.

It is an amenable number.

6136744969 is a deficient number, since it is larger than the sum of its proper divisors (1).

6136744969 is an equidigital number, since it uses as much as digits as its factorization.

6136744969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 55.

The square root of 6136744969 is about 78337.3791302722. The cubic root of 6136744969 is about 1830.8215894418.

The spelling of 6136744969 in words is "six billion, one hundred thirty-six million, seven hundred forty-four thousand, nine hundred sixty-nine".