69481796836 has 9 divisors (see below), whose sum is σ = 121594067049. Its totient is φ = 34740634824.

The previous prime is 69481796803. The next prime is 69481796873. The reversal of 69481796836 is 63869718496.

The square root of 69481796836 is 263594.

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., 63468724900 + 6013071936 = 251930^2 + 77544^2 .

It is a super-2 number, since 2×69481796836² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 461290 + ... + 593086.

Almost surely, 2^69481796836 is an apocalyptic number.

69481796836 is the 263594-th square number.

It is an amenable number.

69481796836 is a deficient number, since it is larger than the sum of its proper divisors (52112270213).

69481796836 is an frugal number, since it uses more digits than its factorization.

69481796836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263598 (or 131799 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 67.

The spelling of 69481796836 in words is "sixty-nine billion, four hundred eighty-one million, seven hundred ninety-six thousand, eight hundred thirty-six".