22749986299391 has 16 divisors (see below), whose sum is σ = 24577484035104. Its totient is φ = 20933584164864.

The previous prime is 22749986299351. The next prime is 22749986299427. The reversal of 22749986299391 is 19399268994722.

It is a cyclic number.

It is not a de Polignac number, because 22749986299391 - 2¹⁰ = 22749986298367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22749986299321) 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, 22044551 + ... + 23053463.

It is an arithmetic number, because the mean of its divisors is an integer number (1536092752194).

Almost surely, 2^{22749986299391} is an apocalyptic number.

22749986299391 is a deficient number, since it is larger than the sum of its proper divisors (1827497735713).

22749986299391 is a wasteful number, since it uses less digits than its factorization.

22749986299391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014410.

The product of its digits is 1904684544, while the sum is 80.

The spelling of 22749986299391 in words is "twenty-two trillion, seven hundred forty-nine billion, nine hundred eighty-six million, two hundred ninety-nine thousand, three hundred ninety-one".