696668619 has 16 divisors (see below), whose sum is σ = 993088512. Its totient is φ = 432878208.

The previous prime is 696668603. The next prime is 696668641. The reversal of 696668619 is 916866696.

It is not a de Polignac number, because 696668619 - 2⁴ = 696668603 is a prime.

It is a super-2 number, since 2×696668619² = 970694329398734322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (696668669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61059 + ... + 71564.

It is an arithmetic number, because the mean of its divisors is an integer number (62068032).

Almost surely, 2^696668619 is an apocalyptic number.

696668619 is a deficient number, since it is larger than the sum of its proper divisors (296419893).

696668619 is a wasteful number, since it uses less digits than its factorization.

696668619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132746.

The product of its digits is 5038848, while the sum is 57.

The square root of 696668619 is about 26394.4808435400. The cubic root of 696668619 is about 886.4932153757.

The spelling of 696668619 in words is "six hundred ninety-six million, six hundred sixty-eight thousand, six hundred nineteen".