694519644 has 96 divisors (see below), whose sum is σ = 2007717376. Its totient is φ = 181958400.

The previous prime is 694519633. The next prime is 694519663. The reversal of 694519644 is 446915496.

694519644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 694519593 and 694519602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169419 + ... + 173469.

Almost surely, 2^694519644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694519644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003858688).

694519644 is an abundant number, since it is smaller than the sum of its proper divisors (1313197732).

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

694519644 is a wasteful number, since it uses less digits than its factorization.

694519644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235 (or 4233 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 694519644 is about 26353.7406073597. The cubic root of 694519644 is about 885.5807710793.

The spelling of 694519644 in words is "six hundred ninety-four million, five hundred nineteen thousand, six hundred forty-four".