5654066989 has 2 divisors, whose sum is σ = 5654066990. Its totient is φ = 5654066988.

The previous prime is 5654066969. The next prime is 5654067017. The reversal of 5654066989 is 9896604565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4401260964 + 1252806025 = 66342^2 + 35395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5654066989 is a prime.

It is a super-2 number, since 2×5654066989² = 63936947032199052242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5654066969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2827033494 + 2827033495.

It is an arithmetic number, because the mean of its divisors is an integer number (2827033495).

Almost surely, 2^5654066989 is an apocalyptic number.

It is an amenable number.

5654066989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5654066989 is an equidigital number, since it uses as much as digits as its factorization.

5654066989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13996800, while the sum is 58.

The square root of 5654066989 is about 75193.5302336577. The cubic root of 5654066989 is about 1781.5047441896.

The spelling of 5654066989 in words is "five billion, six hundred fifty-four million, sixty-six thousand, nine hundred eighty-nine".