63437752057 has 2 divisors, whose sum is σ = 63437752058. Its totient is φ = 63437752056.

The previous prime is 63437752051. The next prime is 63437752061. The reversal of 63437752057 is 75025773436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56813582736 + 6624169321 = 238356^2 + 81389^2 .

It is a cyclic number.

It is not a de Polignac number, because 63437752057 - 2¹⁹ = 63437227769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63437752057.

It is not a weakly prime, because it can be changed into another prime (63437752051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31718876028 + 31718876029.

It is an arithmetic number, because the mean of its divisors is an integer number (31718876029).

Almost surely, 2^63437752057 is an apocalyptic number.

It is an amenable number.

63437752057 is a deficient number, since it is larger than the sum of its proper divisors (1).

63437752057 is an equidigital number, since it uses as much as digits as its factorization.

63437752057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3704400, while the sum is 49.

The spelling of 63437752057 in words is "sixty-three billion, four hundred thirty-seven million, seven hundred fifty-two thousand, fifty-seven".