697972443 has 16 divisors (see below), whose sum is σ = 1075530240. Its totient is φ = 394358976.

The previous prime is 697972399. The next prime is 697972459. The reversal of 697972443 is 344279796.

It is not a de Polignac number, because 697972443 - 2²⁰ = 696923867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (697972463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184855 + ... + 188592.

It is an arithmetic number, because the mean of its divisors is an integer number (67220640).

Almost surely, 2^697972443 is an apocalyptic number.

697972443 is a deficient number, since it is larger than the sum of its proper divisors (377557797).

697972443 is a wasteful number, since it uses less digits than its factorization.

697972443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373546.

The product of its digits is 2286144, while the sum is 51.

The square root of 697972443 is about 26419.1680981820. The cubic root of 697972443 is about 887.0458984336.

The spelling of 697972443 in words is "six hundred ninety-seven million, nine hundred seventy-two thousand, four hundred forty-three".