7266057721713 has 24 divisors (see below), whose sum is σ = 12198063009600. Its totient is φ = 4081659541344.

The previous prime is 7266057721669. The next prime is 7266057721739. The reversal of 7266057721713 is 3171277506627.

7266057721713 is a `hidden beast` number, since 7 + 2 + 6 + 60 + 577 + 2 + 1 + 7 + 1 + 3 = 666.

It is not a de Polignac number, because 7266057721713 - 2¹⁸ = 7266057459569 is a prime.

It is a super-2 number, since 2×7266057721713² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7266057721713.

It is not an unprimeable number, because it can be changed into a prime (7266057721613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 977405178 + ... + 977412611.

It is an arithmetic number, because the mean of its divisors is an integer number (508252625400).

Almost surely, 2^{7266057721713} is an apocalyptic number.

It is an amenable number.

7266057721713 is a deficient number, since it is larger than the sum of its proper divisors (4932005287887).

7266057721713 is a wasteful number, since it uses less digits than its factorization.

7266057721713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954817861 (or 1954817858 counting only the distinct ones).

The product of its (nonzero) digits is 5186160, while the sum is 54.

The spelling of 7266057721713 in words is "seven trillion, two hundred sixty-six billion, fifty-seven million, seven hundred twenty-one thousand, seven hundred thirteen".