1940334659 has 2 divisors, whose sum is σ = 1940334660. Its totient is φ = 1940334658.

The previous prime is 1940334653. The next prime is 1940334679. The reversal of 1940334659 is 9564330491.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1940334659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1940334653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970167329 + 970167330.

It is an arithmetic number, because the mean of its divisors is an integer number (970167330).

Almost surely, 2^1940334659 is an apocalyptic number.

1940334659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940334659 is an equidigital number, since it uses as much as digits as its factorization.

1940334659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 1940334659 is about 44049.2299478663. The cubic root of 1940334659 is about 1247.2654159224.

The spelling of 1940334659 in words is "one billion, nine hundred forty million, three hundred thirty-four thousand, six hundred fifty-nine".