1994810793 has 16 divisors (see below), whose sum is σ = 2669198400. Its totient is φ = 1325159360.

The previous prime is 1994810777. The next prime is 1994810803. The reversal of 1994810793 is 3970184991.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1994810793 - 2⁴ = 1994810777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1994810773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1622503 + ... + 1623731.

It is an arithmetic number, because the mean of its divisors is an integer number (166824900).

Almost surely, 2^1994810793 is an apocalyptic number.

It is an amenable number.

1994810793 is a deficient number, since it is larger than the sum of its proper divisors (674387607).

1994810793 is a wasteful number, since it uses less digits than its factorization.

1994810793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712.

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 1994810793 is about 44663.3047702474. The cubic root of 1994810793 is about 1258.8304409291.

The spelling of 1994810793 in words is "one billion, nine hundred ninety-four million, eight hundred ten thousand, seven hundred ninety-three".