1994913801 has 12 divisors (see below), whose sum is σ = 2882580480. Its totient is φ = 1329463320.

The previous prime is 1994913787. The next prime is 1994913803. The reversal of 1994913801 is 1083194991.

It is not a de Polignac number, because 1994913801 - 2⁵ = 1994913769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1994913803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12585 + ... + 64406.

It is an arithmetic number, because the mean of its divisors is an integer number (240215040).

Almost surely, 2^1994913801 is an apocalyptic number.

It is an amenable number.

1994913801 is a deficient number, since it is larger than the sum of its proper divisors (887666679).

1994913801 is a wasteful number, since it uses less digits than its factorization.

1994913801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79876 (or 79873 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The square root of 1994913801 is about 44664.4579167821. The cubic root of 1994913801 is about 1258.8521083766.

The spelling of 1994913801 in words is "one billion, nine hundred ninety-four million, nine hundred thirteen thousand, eight hundred one".