2667996813 has 32 divisors (see below), whose sum is σ = 3867696000. Its totient is φ = 1629296640.

The previous prime is 2667996797. The next prime is 2667996817. The reversal of 2667996813 is 3186997662.

It is a happy number.

2667996813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2667996813 - 2⁴ = 2667996797 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2667996817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1042131 + ... + 1044687.

It is an arithmetic number, because the mean of its divisors is an integer number (120865500).

Almost surely, 2^2667996813 is an apocalyptic number.

It is an amenable number.

2667996813 is a deficient number, since it is larger than the sum of its proper divisors (1199699187).

2667996813 is a wasteful number, since it uses less digits than its factorization.

2667996813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117.

The product of its digits is 5878656, while the sum is 57.

The square root of 2667996813 is about 51652.6554302874. The cubic root of 2667996813 is about 1386.9530783649.

The spelling of 2667996813 in words is "two billion, six hundred sixty-seven million, nine hundred ninety-six thousand, eight hundred thirteen".