22151045489 has 2 divisors, whose sum is σ = 22151045490. Its totient is φ = 22151045488.

The previous prime is 22151045429. The next prime is 22151045503. The reversal of 22151045489 is 98454015122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19559421025 + 2591624464 = 139855^2 + 50908^2 .

It is a cyclic number.

It is not a de Polignac number, because 22151045489 - 2²⁸ = 21882610033 is a prime.

It is not a weakly prime, because it can be changed into another prime (22151045419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075522744 + 11075522745.

It is an arithmetic number, because the mean of its divisors is an integer number (11075522745).

Almost surely, 2^22151045489 is an apocalyptic number.

It is an amenable number.

22151045489 is a deficient number, since it is larger than the sum of its proper divisors (1).

22151045489 is an equidigital number, since it uses as much as digits as its factorization.

22151045489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 22151045489 in words is "twenty-two billion, one hundred fifty-one million, forty-five thousand, four hundred eighty-nine".