69006928739 has 8 divisors (see below), whose sum is σ = 78877572960. Its totient is φ = 59139412416.

The previous prime is 69006928721. The next prime is 69006928829. The reversal of 69006928739 is 93782960096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-69006928739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69006928339) 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, 734504 + ... + 823109.

It is an arithmetic number, because the mean of its divisors is an integer number (9859696620).

Almost surely, 2^69006928739 is an apocalyptic number.

69006928739 is a deficient number, since it is larger than the sum of its proper divisors (9870644221).

69006928739 is a wasteful number, since it uses less digits than its factorization.

69006928739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563949.

The product of its (nonzero) digits is 8817984, while the sum is 59.

The spelling of 69006928739 in words is "sixty-nine billion, six million, nine hundred twenty-eight thousand, seven hundred thirty-nine".