2650980457 has 2 divisors, whose sum is σ = 2650980458. Its totient is φ = 2650980456.

The previous prime is 2650980439. The next prime is 2650980499. The reversal of 2650980457 is 7540890562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2615708736 + 35271721 = 51144^2 + 5939^2 .

It is a cyclic number.

It is not a de Polignac number, because 2650980457 - 2¹⁹ = 2650456169 is a prime.

It is not a weakly prime, because it can be changed into another prime (2650980557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325490228 + 1325490229.

It is an arithmetic number, because the mean of its divisors is an integer number (1325490229).

Almost surely, 2^2650980457 is an apocalyptic number.

It is an amenable number.

2650980457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650980457 is an equidigital number, since it uses as much as digits as its factorization.

2650980457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 2650980457 is about 51487.6728644828. The cubic root of 2650980457 is about 1383.9981471750.

The spelling of 2650980457 in words is "two billion, six hundred fifty million, nine hundred eighty thousand, four hundred fifty-seven".