696649471 has 4 divisors (see below), whose sum is σ = 796170832. Its totient is φ = 597128112.

The previous prime is 696649427. The next prime is 696649531. The reversal of 696649471 is 174946696.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 696649471 - 2²⁷ = 562431743 is a prime.

It is a super-3 number, since 3×696649471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696641471) 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, 49760670 + ... + 49760683.

It is an arithmetic number, because the mean of its divisors is an integer number (199042708).

Almost surely, 2^696649471 is an apocalyptic number.

696649471 is a deficient number, since it is larger than the sum of its proper divisors (99521361).

696649471 is an equidigital number, since it uses as much as digits as its factorization.

696649471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99521360.

The product of its digits is 1959552, while the sum is 52.

The square root of 696649471 is about 26394.1181137010. The cubic root of 696649471 is about 886.4850935192.

The spelling of 696649471 in words is "six hundred ninety-six million, six hundred forty-nine thousand, four hundred seventy-one".