69240621339 has 8 divisors (see below), whose sum is σ = 102578698320. Its totient is φ = 46160414208.

The previous prime is 69240621337. The next prime is 69240621347. The reversal of 69240621339 is 93312604296.

It is not a de Polignac number, because 69240621339 - 2¹ = 69240621337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69240621294 and 69240621303.

It is not an unprimeable number, because it can be changed into a prime (69240621337) 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 7 ways as a sum of consecutive naturals, for example, 1282233702 + ... + 1282233755.

It is an arithmetic number, because the mean of its divisors is an integer number (12822337290).

Almost surely, 2^69240621339 is an apocalyptic number.

69240621339 is a deficient number, since it is larger than the sum of its proper divisors (33338076981).

69240621339 is a wasteful number, since it uses less digits than its factorization.

69240621339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564467466 (or 2564467460 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 69240621339 in words is "sixty-nine billion, two hundred forty million, six hundred twenty-one thousand, three hundred thirty-nine".