7811630400673 has 4 divisors (see below), whose sum is σ = 8521778618928. Its totient is φ = 7101482182420.

The previous prime is 7811630400667. The next prime is 7811630400701. The reversal of 7811630400673 is 3760040361187.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7811630400673 - 2¹³ = 7811630392481 is a prime.

It is a super-2 number, since 2×7811630400673² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7811630400473) 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 in 3 ways as a sum of consecutive naturals, for example, 355074109111 + ... + 355074109132.

It is an arithmetic number, because the mean of its divisors is an integer number (2130444654732).

Almost surely, 2^{7811630400673} is an apocalyptic number.

It is an amenable number.

7811630400673 is a deficient number, since it is larger than the sum of its proper divisors (710148218255).

7811630400673 is a wasteful number, since it uses less digits than its factorization.

7811630400673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710148218254.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 7811630400673 in words is "seven trillion, eight hundred eleven billion, six hundred thirty million, four hundred thousand, six hundred seventy-three".