2040412991 has 2 divisors, whose sum is σ = 2040412992. Its totient is φ = 2040412990.

The previous prime is 2040412951. The next prime is 2040413029. The reversal of 2040412991 is 1992140402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040412991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040412931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020206495 + 1020206496.

It is an arithmetic number, because the mean of its divisors is an integer number (1020206496).

Almost surely, 2^2040412991 is an apocalyptic number.

2040412991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040412991 is an equidigital number, since it uses as much as digits as its factorization.

2040412991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2040412991 is about 45170.9308183925. The cubic root of 2040412991 is about 1268.3507206108.

The spelling of 2040412991 in words is "two billion, forty million, four hundred twelve thousand, nine hundred ninety-one".