69742017959 has 8 divisors (see below), whose sum is σ = 73369746000. Its totient is φ = 66195812032.

The previous prime is 69742017889. The next prime is 69742017997. The reversal of 69742017959 is 95971024796.

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-69742017959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69742017898 and 69742017907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69742017859) 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, 20378774 + ... + 20382195.

It is an arithmetic number, because the mean of its divisors is an integer number (9171218250).

Almost surely, 2^69742017959 is an apocalyptic number.

69742017959 is a deficient number, since it is larger than the sum of its proper divisors (3627728041).

69742017959 is a wasteful number, since it uses less digits than its factorization.

69742017959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40761057.

The product of its (nonzero) digits is 8573040, while the sum is 59.

The spelling of 69742017959 in words is "sixty-nine billion, seven hundred forty-two million, seventeen thousand, nine hundred fifty-nine".