69299942481 has 48 divisors (see below), whose sum is σ = 129103378560. Its totient is φ = 34758581760.

The previous prime is 69299942477. The next prime is 69299942507. The reversal of 69299942481 is 18424999296.

69299942481 is a `hidden beast` number, since 6 + 9 + 29 + 99 + 42 + 481 = 666.

It is not a de Polignac number, because 69299942481 - 2² = 69299942477 is a prime.

It is a super-2 number, since 2×69299942481² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69299942461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1704040 + ... + 1744233.

It is an arithmetic number, because the mean of its divisors is an integer number (2689653720).

Almost surely, 2^69299942481 is an apocalyptic number.

It is an amenable number.

69299942481 is a deficient number, since it is larger than the sum of its proper divisors (59803436079).

69299942481 is a wasteful number, since it uses less digits than its factorization.

69299942481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448326 (or 3448323 counting only the distinct ones).

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

The spelling of 69299942481 in words is "sixty-nine billion, two hundred ninety-nine million, nine hundred forty-two thousand, four hundred eighty-one".