2650124861 has 2 divisors, whose sum is σ = 2650124862. Its totient is φ = 2650124860.

The previous prime is 2650124843. The next prime is 2650124863. The reversal of 2650124861 is 1684210562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2136195961 + 513928900 = 46219^2 + 22670^2 .

It is a cyclic number.

It is not a de Polignac number, because 2650124861 - 2¹⁸ = 2649862717 is a prime.

It is a Sophie Germain prime.

Together with 2650124863, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2650124863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325062430 + 1325062431.

It is an arithmetic number, because the mean of its divisors is an integer number (1325062431).

Almost surely, 2^2650124861 is an apocalyptic number.

It is an amenable number.

2650124861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650124861 is an equidigital number, since it uses as much as digits as its factorization.

2650124861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2650124861 is about 51479.3634478905. The cubic root of 2650124861 is about 1383.8492374020.

The spelling of 2650124861 in words is "two billion, six hundred fifty million, one hundred twenty-four thousand, eight hundred sixty-one".