5651188489 has 2 divisors, whose sum is σ = 5651188490. Its totient is φ = 5651188488.

The previous prime is 5651188463. The next prime is 5651188511. The reversal of 5651188489 is 9848811565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5582630089 + 68558400 = 74717^2 + 8280^2 .

It is a cyclic number.

It is not a de Polignac number, because 5651188489 - 2⁵ = 5651188457 is a prime.

It is a super-2 number, since 2×5651188489² = 63871862676412206242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5651188429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2825594244 + 2825594245.

It is an arithmetic number, because the mean of its divisors is an integer number (2825594245).

Almost surely, 2^5651188489 is an apocalyptic number.

It is an amenable number.

5651188489 is a deficient number, since it is larger than the sum of its proper divisors (1).

5651188489 is an equidigital number, since it uses as much as digits as its factorization.

5651188489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2764800, while the sum is 55.

The square root of 5651188489 is about 75174.3871873925. The cubic root of 5651188489 is about 1781.2023699930.

The spelling of 5651188489 in words is "five billion, six hundred fifty-one million, one hundred eighty-eight thousand, four hundred eighty-nine".