697446645 has 24 divisors (see below), whose sum is σ = 1298106144. Its totient is φ = 318832416.

The previous prime is 697446619. The next prime is 697446653. The reversal of 697446645 is 546644796.

It is not a de Polignac number, because 697446645 - 2¹⁶ = 697381109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 473719 + ... + 475188.

It is an arithmetic number, because the mean of its divisors is an integer number (54087756).

Almost surely, 2^697446645 is an apocalyptic number.

It is an amenable number.

697446645 is a deficient number, since it is larger than the sum of its proper divisors (600659499).

697446645 is a wasteful number, since it uses less digits than its factorization.

697446645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948929 (or 948922 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 51.

The square root of 697446645 is about 26409.2151530484. The cubic root of 697446645 is about 886.8230987461.

The spelling of 697446645 in words is "six hundred ninety-seven million, four hundred forty-six thousand, six hundred forty-five".