69797687492 has 18 divisors (see below), whose sum is σ = 132264554058. Its totient is φ = 32214316992.

The previous prime is 69797687489. The next prime is 69797687497. The reversal of 69797687492 is 29478679796.

It can be written as a sum of positive squares in 3 ways, for example, as 2107177216 + 67690510276 = 45904^2 + 260174^2 .

It is not an unprimeable number, because it can be changed into a prime (69797687497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51624833 + ... + 51626184.

It is an arithmetic number, because the mean of its divisors is an integer number (7348030781).

Almost surely, 2^69797687492 is an apocalyptic number.

It is an amenable number.

69797687492 is a deficient number, since it is larger than the sum of its proper divisors (62466866566).

69797687492 is a wasteful number, since it uses less digits than its factorization.

69797687492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103251047 (or 103251032 counting only the distinct ones).

The product of its digits is 576108288, while the sum is 74.

The spelling of 69797687492 in words is "sixty-nine billion, seven hundred ninety-seven million, six hundred eighty-seven thousand, four hundred ninety-two".