2608945931 has 2 divisors, whose sum is σ = 2608945932. Its totient is φ = 2608945930.

The previous prime is 2608945909. The next prime is 2608945949. The reversal of 2608945931 is 1395498062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2608945931 - 2²² = 2604751627 is a prime.

It is a super-4 number, since 4×2608945931⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2608945951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1304472965 + 1304472966.

It is an arithmetic number, because the mean of its divisors is an integer number (1304472966).

Almost surely, 2^2608945931 is an apocalyptic number.

2608945931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2608945931 is an equidigital number, since it uses as much as digits as its factorization.

2608945931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 2608945931 is about 51077.8418788421. The cubic root of 2608945931 is about 1376.6441477933.

The spelling of 2608945931 in words is "two billion, six hundred eight million, nine hundred forty-five thousand, nine hundred thirty-one".