4722896989 has 2 divisors, whose sum is σ = 4722896990. Its totient is φ = 4722896988.

The previous prime is 4722896953. The next prime is 4722897083. The reversal of 4722896989 is 9896982274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3911501764 + 811395225 = 62542^2 + 28485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4722896989 is a prime.

It is a super-2 number, since 2×4722896989² = 44611511937410532242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4722896989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4722897989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2361448494 + 2361448495.

It is an arithmetic number, because the mean of its divisors is an integer number (2361448495).

Almost surely, 2^4722896989 is an apocalyptic number.

It is an amenable number.

4722896989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4722896989 is an equidigital number, since it uses as much as digits as its factorization.

4722896989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 64.

The square root of 4722896989 is about 68723.3365677191. The cubic root of 4722896989 is about 1677.7844221938.

The spelling of 4722896989 in words is "four billion, seven hundred twenty-two million, eight hundred ninety-six thousand, nine hundred eighty-nine".