1940889703 has 2 divisors, whose sum is σ = 1940889704. Its totient is φ = 1940889702.

The previous prime is 1940889683. The next prime is 1940889739. The reversal of 1940889703 is 3079880491.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1940889703 - 2²⁵ = 1907335271 is a prime.

It is a super-2 number, since 2×1940889703² = 7534105678422856418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1940889773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970444851 + 970444852.

It is an arithmetic number, because the mean of its divisors is an integer number (970444852).

Almost surely, 2^1940889703 is an apocalyptic number.

1940889703 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940889703 is an equidigital number, since it uses as much as digits as its factorization.

1940889703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 1940889703 is about 44055.5297664209. The cubic root of 1940889703 is about 1247.3843337565.

The spelling of 1940889703 in words is "one billion, nine hundred forty million, eight hundred eighty-nine thousand, seven hundred three".