22463137479 has 4 divisors (see below), whose sum is σ = 29950849976. Its totient is φ = 14975424984.

The previous prime is 22463137457. The next prime is 22463137481. The reversal of 22463137479 is 97473136422.

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

It is not a de Polignac number, because 22463137479 - 2⁷ = 22463137351 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 (22463137379) 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, 3743856244 + ... + 3743856249.

It is an arithmetic number, because the mean of its divisors is an integer number (7487712494).

Almost surely, 2^22463137479 is an apocalyptic number.

22463137479 is a deficient number, since it is larger than the sum of its proper divisors (7487712497).

22463137479 is an equidigital number, since it uses as much as digits as its factorization.

22463137479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7487712496.

The product of its digits is 1524096, while the sum is 48.

The spelling of 22463137479 in words is "twenty-two billion, four hundred sixty-three million, one hundred thirty-seven thousand, four hundred seventy-nine".