22201413787979 has 2 divisors, whose sum is σ = 22201413787980. Its totient is φ = 22201413787978.

The previous prime is 22201413787939. The next prime is 22201413788009. The reversal of 22201413787979 is 97978731410222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22201413787979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22201413787939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100706893989 + 11100706893990.

It is an arithmetic number, because the mean of its divisors is an integer number (11100706893990).

Almost surely, 2^{22201413787979} is an apocalyptic number.

22201413787979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201413787979 is an equidigital number, since it uses as much as digits as its factorization.

22201413787979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21337344, while the sum is 62.

The spelling of 22201413787979 in words is "twenty-two trillion, two hundred one billion, four hundred thirteen million, seven hundred eighty-seven thousand, nine hundred seventy-nine".