7919726641013 has 32 divisors (see below), whose sum is σ = 8806823452800. Its totient is φ = 7061459328000.

The previous prime is 7919726640979. The next prime is 7919726641037. The reversal of 7919726641013 is 3101466279197.

It is not a de Polignac number, because 7919726641013 - 2²⁰ = 7919725592437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7919726641013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7919726641613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273560663 + ... + 273589611.

It is an arithmetic number, because the mean of its divisors is an integer number (275213232900).

Almost surely, 2^{7919726641013} is an apocalyptic number.

It is an amenable number.

7919726641013 is a deficient number, since it is larger than the sum of its proper divisors (887096811787).

7919726641013 is a wasteful number, since it uses less digits than its factorization.

7919726641013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30629.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The spelling of 7919726641013 in words is "seven trillion, nine hundred nineteen billion, seven hundred twenty-six million, six hundred forty-one thousand, thirteen".