5104907861 has 2 divisors, whose sum is σ = 5104907862. Its totient is φ = 5104907860.

The previous prime is 5104907813. The next prime is 5104907947. The reversal of 5104907861 is 1687094015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2665140625 + 2439767236 = 51625^2 + 49394^2 .

It is a cyclic number.

It is not a de Polignac number, because 5104907861 - 2¹⁸ = 5104645717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5104907461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552453930 + 2552453931.

It is an arithmetic number, because the mean of its divisors is an integer number (2552453931).

Almost surely, 2^5104907861 is an apocalyptic number.

It is an amenable number.

5104907861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5104907861 is an equidigital number, since it uses as much as digits as its factorization.

5104907861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 5104907861 is about 71448.6379226364. The cubic root of 5104907861 is about 1721.8525943051.

The spelling of 5104907861 in words is "five billion, one hundred four million, nine hundred seven thousand, eight hundred sixty-one".