22755733026989 has 2 divisors, whose sum is σ = 22755733026990. Its totient is φ = 22755733026988.

The previous prime is 22755733026959. The next prime is 22755733027037. The reversal of 22755733026989 is 98962033755722.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12924636157225 + 9831096869764 = 3595085^2 + 3135458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22755733026989 is a prime.

It is a super-2 number, since 2×22755733026989² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22755733026959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11377866513494 + 11377866513495.

It is an arithmetic number, because the mean of its divisors is an integer number (11377866513495).

Almost surely, 2^{22755733026989} is an apocalyptic number.

It is an amenable number.

22755733026989 is a deficient number, since it is larger than the sum of its proper divisors (1).

22755733026989 is an equidigital number, since it uses as much as digits as its factorization.

22755733026989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 342921600, while the sum is 68.

The spelling of 22755733026989 in words is "twenty-two trillion, seven hundred fifty-five billion, seven hundred thirty-three million, twenty-six thousand, nine hundred eighty-nine".