6936456577 has 2 divisors, whose sum is σ = 6936456578. Its totient is φ = 6936456576.

The previous prime is 6936456557. The next prime is 6936456581. The reversal of 6936456577 is 7756546396.

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., 5663465536 + 1272991041 = 75256^2 + 35679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6936456577 is a prime.

It is a super-2 number, since 2×6936456577² = 96228859689213113858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6936456557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3468228288 + 3468228289.

It is an arithmetic number, because the mean of its divisors is an integer number (3468228289).

Almost surely, 2^6936456577 is an apocalyptic number.

It is an amenable number.

6936456577 is a deficient number, since it is larger than the sum of its proper divisors (1).

6936456577 is an equidigital number, since it uses as much as digits as its factorization.

6936456577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28576800, while the sum is 58.

The square root of 6936456577 is about 83285.3923386328. The cubic root of 6936456577 is about 1907.1252842200.

The spelling of 6936456577 in words is "six billion, nine hundred thirty-six million, four hundred fifty-six thousand, five hundred seventy-seven".