694690694 has 16 divisors (see below), whose sum is σ = 1050144480. Its totient is φ = 344653440.

The previous prime is 694690693. The next prime is 694690699. The reversal of 694690694 is 496096496.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694690693) 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, 138767 + ... + 143685.

It is an arithmetic number, because the mean of its divisors is an integer number (65634030).

Almost surely, 2^694690694 is an apocalyptic number.

694690694 is a deficient number, since it is larger than the sum of its proper divisors (355453786).

694690694 is a wasteful number, since it uses less digits than its factorization.

694690694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5455.

The product of its (nonzero) digits is 2519424, while the sum is 53.

The square root of 694690694 is about 26356.9856774253. The cubic root of 694690694 is about 885.6534669626.

The spelling of 694690694 in words is "six hundred ninety-four million, six hundred ninety thousand, six hundred ninety-four".