1994943795 has 64 divisors (see below), whose sum is σ = 3649048704. Its totient is φ = 921968640.

The previous prime is 1994943701. The next prime is 1994943799. The reversal of 1994943795 is 5973494991.

It is a happy number.

It is not a de Polignac number, because 1994943795 - 2⁹ = 1994943283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1994943799) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2429485 + ... + 2430305.

It is an arithmetic number, because the mean of its divisors is an integer number (57016386).

Almost surely, 2^1994943795 is an apocalyptic number.

1994943795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1994943795 is a deficient number, since it is larger than the sum of its proper divisors (1654104909).

1994943795 is a wasteful number, since it uses less digits than its factorization.

1994943795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592.

The product of its digits is 11022480, while the sum is 60.

The square root of 1994943795 is about 44664.7936858551. The cubic root of 1994943795 is about 1258.8584173912.

The spelling of 1994943795 in words is "one billion, nine hundred ninety-four million, nine hundred forty-three thousand, seven hundred ninety-five".