9913806914507 has 2 divisors, whose sum is σ = 9913806914508. Its totient is φ = 9913806914506.

The previous prime is 9913806914449. The next prime is 9913806914579. The reversal of 9913806914507 is 7054196083199.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9913806914507 - 2¹² = 9913806910411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9913806914507.

It is not a weakly prime, because it can be changed into another prime (9913806964507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4956903457253 + 4956903457254.

It is an arithmetic number, because the mean of its divisors is an integer number (4956903457254).

Almost surely, 2^{9913806914507} is an apocalyptic number.

9913806914507 is a deficient number, since it is larger than the sum of its proper divisors (1).

9913806914507 is an equidigital number, since it uses as much as digits as its factorization.

9913806914507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14696640, while the sum is 62.

The spelling of 9913806914507 in words is "nine trillion, nine hundred thirteen billion, eight hundred six million, nine hundred fourteen thousand, five hundred seven".