694169316 has 18 divisors (see below), whose sum is σ = 1754705862. Its totient is φ = 231389760.

The previous prime is 694169299. The next prime is 694169353. The reversal of 694169316 is 613961496.

It can be written as a sum of positive squares in only one way, i.e., 694111716 + 57600 = 26346^2 + 240^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9641205 + ... + 9641276.

It is an arithmetic number, because the mean of its divisors is an integer number (97483659).

Almost surely, 2^694169316 is an apocalyptic number.

It is an amenable number.

694169316 is an abundant number, since it is smaller than the sum of its proper divisors (1060536546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

694169316 is a wasteful number, since it uses less digits than its factorization.

694169316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19282491 (or 19282486 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 694169316 is about 26347.0931223921. The cubic root of 694169316 is about 885.4318451649.

The spelling of 694169316 in words is "six hundred ninety-four million, one hundred sixty-nine thousand, three hundred sixteen".