9913806964507 has 2 divisors, whose sum is σ = 9913806964508. Its totient is φ = 9913806964506.

The previous prime is 9913806964463. The next prime is 9913806964573. The reversal of 9913806964507 is 7054696083199.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9913806964507 - 2¹⁵ = 9913806931739 is a prime.

It is not a weakly prime, because it can be changed into another prime (9913806964007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4956903482253 + 4956903482254.

It is an arithmetic number, because the mean of its divisors is an integer number (4956903482254).

Almost surely, 2^{9913806964507} is an apocalyptic number.

9913806964507 is a deficient number, since it is larger than the sum of its proper divisors (1).

9913806964507 is an equidigital number, since it uses as much as digits as its factorization.

9913806964507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88179840, while the sum is 67.

The spelling of 9913806964507 in words is "nine trillion, nine hundred thirteen billion, eight hundred six million, nine hundred sixty-four thousand, five hundred seven".