22690594693 has 16 divisors (see below), whose sum is σ = 24529273776. Its totient is φ = 20865392640.

The previous prime is 22690594691. The next prime is 22690594733. The reversal of 22690594693 is 39649509622.

It can be written as a sum of positive squares in 8 ways, for example, as 7516543204 + 15174051489 = 86698^2 + 123183^2 .

It is a cyclic number.

It is not a de Polignac number, because 22690594693 - 2¹ = 22690594691 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 (22690594691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4281021 + ... + 4286317.

It is an arithmetic number, because the mean of its divisors is an integer number (1533079611).

Almost surely, 2^22690594693 is an apocalyptic number.

It is an amenable number.

22690594693 is a deficient number, since it is larger than the sum of its proper divisors (1838679083).

22690594693 is a wasteful number, since it uses less digits than its factorization.

22690594693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504.

The product of its (nonzero) digits is 6298560, while the sum is 55.

The spelling of 22690594693 in words is "twenty-two billion, six hundred ninety million, five hundred ninety-four thousand, six hundred ninety-three".