69406139707 has 8 divisors (see below), whose sum is σ = 69876419184. Its totient is φ = 68936654688.

The previous prime is 69406139689. The next prime is 69406139713. The reversal of 69406139707 is 70793160496.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69406139707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69406139797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22773 + ... + 373270.

It is an arithmetic number, because the mean of its divisors is an integer number (8734552398).

Almost surely, 2^69406139707 is an apocalyptic number.

69406139707 is a deficient number, since it is larger than the sum of its proper divisors (470279477).

69406139707 is a wasteful number, since it uses less digits than its factorization.

69406139707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397229.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The spelling of 69406139707 in words is "sixty-nine billion, four hundred six million, one hundred thirty-nine thousand, seven hundred seven".