22849694854949 has 4 divisors (see below), whose sum is σ = 22879879393164. Its totient is φ = 22819510316736.

The previous prime is 22849694854927. The next prime is 22849694855011. The reversal of 22849694854949 is 94945849694822.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17357280766849 + 5492414088100 = 4166207^2 + 2343590^2 .

It is a cyclic number.

It is not a de Polignac number, because 22849694854949 - 2¹⁶ = 22849694789413 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 (22849694856949) 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, 15092267972 + ... + 15092269485.

It is an arithmetic number, because the mean of its divisors is an integer number (5719969848291).

Almost surely, 2^{22849694854949} is an apocalyptic number.

It is an amenable number.

22849694854949 is a deficient number, since it is larger than the sum of its proper divisors (30184538215).

22849694854949 is an equidigital number, since it uses as much as digits as its factorization.

22849694854949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30184538214.

The product of its digits is 12899450880, while the sum is 83.

The spelling of 22849694854949 in words is "twenty-two trillion, eight hundred forty-nine billion, six hundred ninety-four million, eight hundred fifty-four thousand, nine hundred forty-nine".