6137538769 has 2 divisors, whose sum is σ = 6137538770. Its totient is φ = 6137538768.

The previous prime is 6137538731. The next prime is 6137538787. The reversal of 6137538769 is 9678357316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5555764369 + 581774400 = 74537^2 + 24120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6137538769 is a prime.

It is a super-2 number, since 2×6137538769² = 75338764281956070722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6137538469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3068769384 + 3068769385.

It is an arithmetic number, because the mean of its divisors is an integer number (3068769385).

Almost surely, 2^6137538769 is an apocalyptic number.

It is an amenable number.

6137538769 is a deficient number, since it is larger than the sum of its proper divisors (1).

6137538769 is an equidigital number, since it uses as much as digits as its factorization.

6137538769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 55.

The square root of 6137538769 is about 78342.4455132721. The cubic root of 6137538769 is about 1830.9005261597.

The spelling of 6137538769 in words is "six billion, one hundred thirty-seven million, five hundred thirty-eight thousand, seven hundred sixty-nine".