1990091714 has 16 divisors (see below), whose sum is σ = 3215748480. Its totient is φ = 918222480.

The previous prime is 1990091699. The next prime is 1990091759. The reversal of 1990091714 is 4171900991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92129 + ... + 111659.

It is an arithmetic number, because the mean of its divisors is an integer number (200984280).

Almost surely, 2^1990091714 is an apocalyptic number.

1990091714 is a deficient number, since it is larger than the sum of its proper divisors (1225656766).

1990091714 is a wasteful number, since it uses less digits than its factorization.

1990091714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23465.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 1990091714 is about 44610.4440013771. Note that the first 3 decimals coincide. The cubic root of 1990091714 is about 1257.8369948444.

The spelling of 1990091714 in words is "one billion, nine hundred ninety million, ninety-one thousand, seven hundred fourteen".