56377614570769 has 2 divisors, whose sum is σ = 56377614570770. Its totient is φ = 56377614570768.

The previous prime is 56377614570713. The next prime is 56377614570811. The reversal of 56377614570769 is 96707541677365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55364209948369 + 1013404622400 = 7440713^2 + 1006680^2 .

It is a cyclic number.

It is not a de Polignac number, because 56377614570769 - 2⁹ = 56377614570257 is a prime.

It is a super-2 number, since 2×56377614570769² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56377614570709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28188807285384 + 28188807285385.

It is an arithmetic number, because the mean of its divisors is an integer number (28188807285385).

Almost surely, 2^{56377614570769} is an apocalyptic number.

It is an amenable number.

56377614570769 is a deficient number, since it is larger than the sum of its proper divisors (1).

56377614570769 is an equidigital number, since it uses as much as digits as its factorization.

56377614570769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400263200, while the sum is 73.

The spelling of 56377614570769 in words is "fifty-six trillion, three hundred seventy-seven billion, six hundred fourteen million, five hundred seventy thousand, seven hundred sixty-nine".