2040617939 has 2 divisors, whose sum is σ = 2040617940. Its totient is φ = 2040617938.

The previous prime is 2040617903. The next prime is 2040617947. The reversal of 2040617939 is 9397160402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2040617939 - 2¹⁶ = 2040552403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2040617896 and 2040617905.

It is not a weakly prime, because it can be changed into another prime (2040617039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020308969 + 1020308970.

It is an arithmetic number, because the mean of its divisors is an integer number (1020308970).

Almost surely, 2^2040617939 is an apocalyptic number.

2040617939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040617939 is an equidigital number, since it uses as much as digits as its factorization.

2040617939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 2040617939 is about 45173.1993443015. The cubic root of 2040617939 is about 1268.3931854193.

The spelling of 2040617939 in words is "two billion, forty million, six hundred seventeen thousand, nine hundred thirty-nine".