5651406560377 has 4 divisors (see below), whose sum is σ = 5651468334436. Its totient is φ = 5651344786320.

The previous prime is 5651406560369. The next prime is 5651406560447. The reversal of 5651406560377 is 7730656041565.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3223734066576 + 2427672493801 = 1795476^2 + 1558099^2 .

It is a cyclic number.

It is not a de Polignac number, because 5651406560377 - 2³ = 5651406560369 is a prime.

It is a super-2 number, since 2×5651406560377² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5651406560677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30749598 + ... + 30932839.

It is an arithmetic number, because the mean of its divisors is an integer number (1412867083609).

Almost surely, 2^{5651406560377} is an apocalyptic number.

It is an amenable number.

5651406560377 is a deficient number, since it is larger than the sum of its proper divisors (61774059).

5651406560377 is an equidigital number, since it uses as much as digits as its factorization.

5651406560377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61774058.

The product of its (nonzero) digits is 15876000, while the sum is 55.

The spelling of 5651406560377 in words is "five trillion, six hundred fifty-one billion, four hundred six million, five hundred sixty thousand, three hundred seventy-seven".