1995755594 has 48 divisors (see below), whose sum is σ = 3562846560. Its totient is φ = 835742880.

The previous prime is 1995755581. The next prime is 1995755633. The reversal of 1995755594 is 4955575991.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1045589 + ... + 1047495.

It is an arithmetic number, because the mean of its divisors is an integer number (74225970).

Almost surely, 2^1995755594 is an apocalyptic number.

1995755594 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1995755594 is a deficient number, since it is larger than the sum of its proper divisors (1567090966).

1995755594 is a wasteful number, since it uses less digits than its factorization.

1995755594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2156 counting only the distinct ones).

The product of its digits is 12757500, while the sum is 59.

The square root of 1995755594 is about 44673.8804448416. The cubic root of 1995755594 is about 1259.0291492550.

The spelling of 1995755594 in words is "one billion, nine hundred ninety-five million, seven hundred fifty-five thousand, five hundred ninety-four".