69782618896 has 15 divisors (see below), whose sum is σ = 135205871413. Its totient is φ = 34890781120.

The previous prime is 69782618881. The next prime is 69782618897. The reversal of 69782618896 is 69881628796.

The square root of 69782618896 is 264164.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 31554548496 + 38228070400 = 177636^2 + 195520^2 .

It is a super-2 number, since 2×69782618896² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69782618897) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1023636 + ... + 1089676.

Almost surely, 2^69782618896 is an apocalyptic number.

69782618896 is the 264164-th square number.

It is an amenable number.

69782618896 is a deficient number, since it is larger than the sum of its proper divisors (65423252517).

69782618896 is an frugal number, since it uses more digits than its factorization.

69782618896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132090 (or 66043 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 70.

The spelling of 69782618896 in words is "sixty-nine billion, seven hundred eighty-two million, six hundred eighteen thousand, eight hundred ninety-six".