455600400637 has 2 divisors, whose sum is σ = 455600400638. Its totient is φ = 455600400636.

The previous prime is 455600400631. The next prime is 455600400713. The reversal of 455600400637 is 736004006554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236481854436 + 219118546201 = 486294^2 + 468101^2 .

It is a cyclic number.

It is not a de Polignac number, because 455600400637 - 2¹⁹ = 455599876349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 455600400637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455600400631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227800200318 + 227800200319.

It is an arithmetic number, because the mean of its divisors is an integer number (227800200319).

Almost surely, 2^455600400637 is an apocalyptic number.

It is an amenable number.

455600400637 is a deficient number, since it is larger than the sum of its proper divisors (1).

455600400637 is an equidigital number, since it uses as much as digits as its factorization.

455600400637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 455600400637 in words is "four hundred fifty-five billion, six hundred million, four hundred thousand, six hundred thirty-seven".