5105640289 has 2 divisors, whose sum is σ = 5105640290. Its totient is φ = 5105640288.

The previous prime is 5105640187. The next prime is 5105640383. The reversal of 5105640289 is 9820465015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4243219600 + 862420689 = 65140^2 + 29367^2 .

It is a cyclic number.

It is not a de Polignac number, because 5105640289 - 2⁷ = 5105640161 is a prime.

It is not a weakly prime, because it can be changed into another prime (5105647289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552820144 + 2552820145.

It is an arithmetic number, because the mean of its divisors is an integer number (2552820145).

Almost surely, 2^5105640289 is an apocalyptic number.

It is an amenable number.

5105640289 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105640289 is an equidigital number, since it uses as much as digits as its factorization.

5105640289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 5105640289 is about 71453.7632948748. The cubic root of 5105640289 is about 1721.9349381186.

The spelling of 5105640289 in words is "five billion, one hundred five million, six hundred forty thousand, two hundred eighty-nine".