22463947709 has 4 divisors (see below), whose sum is σ = 25673083104. Its totient is φ = 19254812316.

The previous prime is 22463947691. The next prime is 22463947739. The reversal of 22463947709 is 90774936422.

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 22463947709 - 2²⁰ = 22462899133 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 (22463947739) 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, 1604567687 + ... + 1604567700.

It is an arithmetic number, because the mean of its divisors is an integer number (6418270776).

Almost surely, 2^22463947709 is an apocalyptic number.

It is an amenable number.

22463947709 is a deficient number, since it is larger than the sum of its proper divisors (3209135395).

22463947709 is an equidigital number, since it uses as much as digits as its factorization.

22463947709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209135394.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 22463947709 in words is "twenty-two billion, four hundred sixty-three million, nine hundred forty-seven thousand, seven hundred nine".