7422641604687 has 4 divisors (see below), whose sum is σ = 9896855472920. Its totient is φ = 4948427736456.

The previous prime is 7422641604683. The next prime is 7422641604701. The reversal of 7422641604687 is 7864061462247.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7422641604687 - 2² = 7422641604683 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 (7422641604683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1237106934112 + ... + 1237106934117.

It is an arithmetic number, because the mean of its divisors is an integer number (2474213868230).

Almost surely, 2^{7422641604687} is an apocalyptic number.

7422641604687 is a deficient number, since it is larger than the sum of its proper divisors (2474213868233).

7422641604687 is a wasteful number, since it uses less digits than its factorization.

7422641604687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474213868232.

The product of its (nonzero) digits is 21676032, while the sum is 57.

The spelling of 7422641604687 in words is "seven trillion, four hundred twenty-two billion, six hundred forty-one million, six hundred four thousand, six hundred eighty-seven".