22393757435897 has 2 divisors, whose sum is σ = 22393757435898. Its totient is φ = 22393757435896.

The previous prime is 22393757435893. The next prime is 22393757435969. The reversal of 22393757435897 is 79853475739322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14435964681961 + 7957792753936 = 3799469^2 + 2820956^2 .

It is a cyclic number.

It is not a de Polignac number, because 22393757435897 - 2² = 22393757435893 is a prime.

It is not a weakly prime, because it can be changed into another prime (22393757435891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11196878717948 + 11196878717949.

It is an arithmetic number, because the mean of its divisors is an integer number (11196878717949).

Almost surely, 2^{22393757435897} is an apocalyptic number.

It is an amenable number.

22393757435897 is a deficient number, since it is larger than the sum of its proper divisors (1).

22393757435897 is an equidigital number, since it uses as much as digits as its factorization.

22393757435897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400451200, while the sum is 74.

The spelling of 22393757435897 in words is "twenty-two trillion, three hundred ninety-three billion, seven hundred fifty-seven million, four hundred thirty-five thousand, eight hundred ninety-seven".