1940759659 has 2 divisors, whose sum is σ = 1940759660. Its totient is φ = 1940759658.

The previous prime is 1940759609. The next prime is 1940759699. The reversal of 1940759659 is 9569570491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1940759659 - 2¹⁹ = 1940235371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1940759609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970379829 + 970379830.

It is an arithmetic number, because the mean of its divisors is an integer number (970379830).

Almost surely, 2^1940759659 is an apocalyptic number.

1940759659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940759659 is an equidigital number, since it uses as much as digits as its factorization.

1940759659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3061800, while the sum is 55.

The square root of 1940759659 is about 44054.0538316283. The cubic root of 1940759659 is about 1247.3564739437.

The spelling of 1940759659 in words is "one billion, nine hundred forty million, seven hundred fifty-nine thousand, six hundred fifty-nine".