69640480859 has 4 divisors (see below), whose sum is σ = 69662683704. Its totient is φ = 69618278016.

The previous prime is 69640480843. The next prime is 69640480879. The reversal of 69640480859 is 95808404696.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69640480859 - 2⁴ = 69640480843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69640480798 and 69640480807.

It is not an unprimeable number, because it can be changed into a prime (69640480879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11096717 + ... + 11102990.

It is an arithmetic number, because the mean of its divisors is an integer number (17415670926).

Almost surely, 2^69640480859 is an apocalyptic number.

69640480859 is a deficient number, since it is larger than the sum of its proper divisors (22202845).

69640480859 is a wasteful number, since it uses less digits than its factorization.

69640480859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22202844.

The product of its (nonzero) digits is 14929920, while the sum is 59.

The spelling of 69640480859 in words is "sixty-nine billion, six hundred forty million, four hundred eighty thousand, eight hundred fifty-nine".