2660474617 has 2 divisors, whose sum is σ = 2660474618. Its totient is φ = 2660474616.

The previous prime is 2660474569. The next prime is 2660474623. The reversal of 2660474617 is 7164740662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1802511936 + 857962681 = 42456^2 + 29291^2 .

It is a cyclic number.

It is not a de Polignac number, because 2660474617 - 2⁷ = 2660474489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2660474017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330237308 + 1330237309.

It is an arithmetic number, because the mean of its divisors is an integer number (1330237309).

Almost surely, 2^2660474617 is an apocalyptic number.

It is an amenable number.

2660474617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660474617 is an equidigital number, since it uses as much as digits as its factorization.

2660474617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 2660474617 is about 51579.7888421424. The cubic root of 2660474617 is about 1385.6483850005.

The spelling of 2660474617 in words is "two billion, six hundred sixty million, four hundred seventy-four thousand, six hundred seventeen".