63376662457 has 2 divisors, whose sum is σ = 63376662458. Its totient is φ = 63376662456.

The previous prime is 63376662443. The next prime is 63376662521. The reversal of 63376662457 is 75426667336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44128984761 + 19247677696 = 210069^2 + 138736^2 .

It is a cyclic number.

It is not a de Polignac number, because 63376662457 - 2¹⁵ = 63376629689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63376662398 and 63376662407.

It is not a weakly prime, because it can be changed into another prime (63376612457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31688331228 + 31688331229.

It is an arithmetic number, because the mean of its divisors is an integer number (31688331229).

Almost surely, 2^63376662457 is an apocalyptic number.

It is an amenable number.

63376662457 is a deficient number, since it is larger than the sum of its proper divisors (1).

63376662457 is an equidigital number, since it uses as much as digits as its factorization.

63376662457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22861440, while the sum is 55.

The spelling of 63376662457 in words is "sixty-three billion, three hundred seventy-six million, six hundred sixty-two thousand, four hundred fifty-seven".