1694994013 has 8 divisors (see below), whose sum is σ = 1742951168. Its totient is φ = 1647149904.

The previous prime is 1694993987. The next prime is 1694994029. The reversal of 1694994013 is 3104994961.

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

It is a cyclic number.

It is not a de Polignac number, because 1694994013 - 2⁵ = 1694993981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1694994043) 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, 2620 + ... + 58282.

It is an arithmetic number, because the mean of its divisors is an integer number (217868896).

Almost surely, 2^1694994013 is an apocalyptic number.

It is an amenable number.

1694994013 is a deficient number, since it is larger than the sum of its proper divisors (47957155).

1694994013 is an equidigital number, since it uses as much as digits as its factorization.

1694994013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56523.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 1694994013 is about 41170.3049903690. The cubic root of 1694994013 is about 1192.3105575385.

The spelling of 1694994013 in words is "one billion, six hundred ninety-four million, nine hundred ninety-four thousand, thirteen".