1694081013 has 8 divisors (see below), whose sum is σ = 2261859168. Its totient is φ = 1127845104.

The previous prime is 1694081003. The next prime is 1694081033. The reversal of 1694081013 is 3101804961.

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

It is not a de Polignac number, because 1694081013 - 2⁸ = 1694080757 is a prime.

It is a super-3 number, since 3×1694081013³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1694081003) 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, 382995 + ... + 387392.

It is an arithmetic number, because the mean of its divisors is an integer number (282732396).

Almost surely, 2^1694081013 is an apocalyptic number.

It is an amenable number.

1694081013 is a deficient number, since it is larger than the sum of its proper divisors (567778155).

1694081013 is an equidigital number, since it uses as much as digits as its factorization.

1694081013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771123.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1694081013 is about 41159.2154079739. The cubic root of 1694081013 is about 1192.0964417281.

Adding to 1694081013 its reverse (3101804961), we get a palindrome (4795885974).

The spelling of 1694081013 in words is "one billion, six hundred ninety-four million, eighty-one thousand, thirteen".