726957990711 has 24 divisors (see below), whose sum is σ = 1051089463424. Its totient is φ = 484159343040.

The previous prime is 726957990697. The next prime is 726957990713. The reversal of 726957990711 is 117099759627.

It is a de Polignac number, because none of the positive numbers 2^k-726957990711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726957990713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49931445 + ... + 49946001.

Almost surely, 2^726957990711 is an apocalyptic number.

726957990711 is a deficient number, since it is larger than the sum of its proper divisors (324131472713).

726957990711 is a wasteful number, since it uses less digits than its factorization.

726957990711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19671 (or 19668 counting only the distinct ones).

The product of its (nonzero) digits is 15002820, while the sum is 63.

The spelling of 726957990711 in words is "seven hundred twenty-six billion, nine hundred fifty-seven million, nine hundred ninety thousand, seven hundred eleven".