63506280923 has 2 divisors, whose sum is σ = 63506280924. Its totient is φ = 63506280922.

The previous prime is 63506280889. The next prime is 63506280961. The reversal of 63506280923 is 32908260536.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63506280923 is a prime.

It is not a weakly prime, because it can be changed into another prime (63506280983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31753140461 + 31753140462.

It is an arithmetic number, because the mean of its divisors is an integer number (31753140462).

Almost surely, 2^63506280923 is an apocalyptic number.

63506280923 is a deficient number, since it is larger than the sum of its proper divisors (1).

63506280923 is an equidigital number, since it uses as much as digits as its factorization.

63506280923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 63506280923 in words is "sixty-three billion, five hundred six million, two hundred eighty thousand, nine hundred twenty-three".