2461945939 has 2 divisors, whose sum is σ = 2461945940. Its totient is φ = 2461945938.

The previous prime is 2461945907. The next prime is 2461945943. The reversal of 2461945939 is 9395491642.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2461945939 - 2⁵ = 2461945907 is a prime.

It is a super-2 number, since 2×2461945939² = 12122355613117183442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2461945639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1230972969 + 1230972970.

It is an arithmetic number, because the mean of its divisors is an integer number (1230972970).

Almost surely, 2^2461945939 is an apocalyptic number.

2461945939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2461945939 is an equidigital number, since it uses as much as digits as its factorization.

2461945939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 52.

The square root of 2461945939 is about 49618.0001511548. Note that the first 3 decimals coincide. The cubic root of 2461945939 is about 1350.2872619611.

The spelling of 2461945939 in words is "two billion, four hundred sixty-one million, nine hundred forty-five thousand, nine hundred thirty-nine".