5168670989 has 2 divisors, whose sum is σ = 5168670990. Its totient is φ = 5168670988.

The previous prime is 5168670953. The next prime is 5168671009. The reversal of 5168670989 is 9890768615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4402322500 + 766348489 = 66350^2 + 27683^2 .

It is a cyclic number.

It is not a de Polignac number, because 5168670989 - 2⁸ = 5168670733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5168670919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2584335494 + 2584335495.

It is an arithmetic number, because the mean of its divisors is an integer number (2584335495).

Almost surely, 2^5168670989 is an apocalyptic number.

It is an amenable number.

5168670989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5168670989 is an equidigital number, since it uses as much as digits as its factorization.

5168670989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The square root of 5168670989 is about 71893.4697243081. The cubic root of 5168670989 is about 1728.9919159536.

The spelling of 5168670989 in words is "five billion, one hundred sixty-eight million, six hundred seventy thousand, nine hundred eighty-nine".