697122969 has 4 divisors (see below), whose sum is σ = 929497296. Its totient is φ = 464748644.

The previous prime is 697122949. The next prime is 697122971. The reversal of 697122969 is 969221796.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 697122969 - 2²¹ = 695025817 is a prime.

It is a super-2 number, since 2×697122969² = 971960867814749922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (697122949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116187159 + ... + 116187164.

It is an arithmetic number, because the mean of its divisors is an integer number (232374324).

Almost surely, 2^697122969 is an apocalyptic number.

It is an amenable number.

697122969 is a deficient number, since it is larger than the sum of its proper divisors (232374327).

697122969 is a wasteful number, since it uses less digits than its factorization.

697122969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232374326.

The product of its digits is 734832, while the sum is 51.

The square root of 697122969 is about 26403.0863536822. The cubic root of 697122969 is about 886.6858897944.

The spelling of 697122969 in words is "six hundred ninety-seven million, one hundred twenty-two thousand, nine hundred sixty-nine".