697698213 has 8 divisors (see below), whose sum is σ = 932045088. Its totient is φ = 464241744.

The previous prime is 697698181. The next prime is 697698223. The reversal of 697698213 is 312896796.

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

It is not a de Polignac number, because 697698213 - 2⁵ = 697698181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697698223) 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, 220770 + ... + 223907.

It is an arithmetic number, because the mean of its divisors is an integer number (116505636).

Almost surely, 2^697698213 is an apocalyptic number.

It is an amenable number.

697698213 is a deficient number, since it is larger than the sum of its proper divisors (234346875).

697698213 is a wasteful number, since it uses less digits than its factorization.

697698213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445203.

The product of its digits is 979776, while the sum is 51.

The square root of 697698213 is about 26413.9776065628. The cubic root of 697698213 is about 886.9297112001.

The spelling of 697698213 in words is "six hundred ninety-seven million, six hundred ninety-eight thousand, two hundred thirteen".