647696696746 has 8 divisors (see below), whose sum is σ = 1059867321984. Its totient is φ = 294407589420.

The previous prime is 647696696743. The next prime is 647696696749.

647696696746 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (647696696743) and next prime (647696696749).

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

It is a super-2 number, since 2×647696696746² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (647696696743) 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, 14720379450 + ... + 14720379493.

It is an arithmetic number, because the mean of its divisors is an integer number (132483415248).

Almost surely, 2^647696696746 is an apocalyptic number.

647696696746 is a deficient number, since it is larger than the sum of its proper divisors (412170625238).

647696696746 is a wasteful number, since it uses less digits than its factorization.

647696696746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29440758956.

The product of its digits is 2962842624, while the sum is 76.

The spelling of 647696696746 in words is "six hundred forty-seven billion, six hundred ninety-six million, six hundred ninety-six thousand, seven hundred forty-six".