1994928693 has 8 divisors (see below), whose sum is σ = 2799900000. Its totient is φ = 1259954928.

The previous prime is 1994928679. The next prime is 1994928697. The reversal of 1994928693 is 3968294991.

1994928693 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1994928693 - 2⁶ = 1994928629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994928697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17499318 + ... + 17499431.

It is an arithmetic number, because the mean of its divisors is an integer number (349987500).

Almost surely, 2^1994928693 is an apocalyptic number.

It is an amenable number.

1994928693 is a deficient number, since it is larger than the sum of its proper divisors (804971307).

1994928693 is a wasteful number, since it uses less digits than its factorization.

1994928693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34998771.

The product of its digits is 7558272, while the sum is 60.

The square root of 1994928693 is about 44664.6246262073. The cubic root of 1994928693 is about 1258.8552408058.

The spelling of 1994928693 in words is "one billion, nine hundred ninety-four million, nine hundred twenty-eight thousand, six hundred ninety-three".