63264702509 has 2 divisors, whose sum is σ = 63264702510. Its totient is φ = 63264702508.

The previous prime is 63264702433. The next prime is 63264702517. The reversal of 63264702509 is 90520746236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63206988100 + 57714409 = 251410^2 + 7597^2 .

It is a cyclic number.

It is not a de Polignac number, because 63264702509 - 2¹⁶ = 63264636973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63264702509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63264705509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31632351254 + 31632351255.

It is an arithmetic number, because the mean of its divisors is an integer number (31632351255).

Almost surely, 2^63264702509 is an apocalyptic number.

It is an amenable number.

63264702509 is a deficient number, since it is larger than the sum of its proper divisors (1).

63264702509 is an equidigital number, since it uses as much as digits as its factorization.

63264702509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 63264702509 in words is "sixty-three billion, two hundred sixty-four million, seven hundred two thousand, five hundred nine".