22646091489 has 32 divisors (see below), whose sum is σ = 34630778880. Its totient is φ = 12894800832.

The previous prime is 22646091443. The next prime is 22646091491. The reversal of 22646091489 is 98419064622.

It is not a de Polignac number, because 22646091489 - 2⁹ = 22646090977 is a prime.

It is a super-3 number, since 3×22646091489³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22646091389) 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, 8327472 + ... + 8330190.

It is an arithmetic number, because the mean of its divisors is an integer number (1082211840).

Almost surely, 2^22646091489 is an apocalyptic number.

It is an amenable number.

22646091489 is a deficient number, since it is larger than the sum of its proper divisors (11984687391).

22646091489 is a wasteful number, since it uses less digits than its factorization.

22646091489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 22646091489 in words is "twenty-two billion, six hundred forty-six million, ninety-one thousand, four hundred eighty-nine".