69982938612 has 36 divisors (see below), whose sum is σ = 180239082660. Its totient is φ = 22887501312.

The previous prime is 69982938607. The next prime is 69982938653. The reversal of 69982938612 is 21683928996.

69982938612 is a `hidden beast` number, since 6 + 9 + 9 + 8 + 2 + 9 + 3 + 8 + 612 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 53544108816 + 16438829796 = 231396^2 + 128214^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×69982938612² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69982938612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18337437 + ... + 18341252.

It is an arithmetic number, because the mean of its divisors is an integer number (5006641185).

Almost surely, 2^69982938612 is an apocalyptic number.

It is an amenable number.

69982938612 is an abundant number, since it is smaller than the sum of its proper divisors (110256144048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69982938612 is a wasteful number, since it uses less digits than its factorization.

69982938612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36678752 (or 36678747 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The spelling of 69982938612 in words is "sixty-nine billion, nine hundred eighty-two million, nine hundred thirty-eight thousand, six hundred twelve".