63845270507 has 2 divisors, whose sum is σ = 63845270508. Its totient is φ = 63845270506.

The previous prime is 63845270473. The next prime is 63845270513. The reversal of 63845270507 is 70507254836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63845270507 - 2³⁰ = 62771528683 is a prime.

It is a super-2 number, since 2×63845270507² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63845270407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31922635253 + 31922635254.

It is an arithmetic number, because the mean of its divisors is an integer number (31922635254).

Almost surely, 2^63845270507 is an apocalyptic number.

63845270507 is a deficient number, since it is larger than the sum of its proper divisors (1).

63845270507 is an equidigital number, since it uses as much as digits as its factorization.

63845270507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 63845270507 in words is "sixty-three billion, eight hundred forty-five million, two hundred seventy thousand, five hundred seven".