47915958689 has 4 divisors (see below), whose sum is σ = 47949538224. Its totient is φ = 47882379156.

The previous prime is 47915958661. The next prime is 47915958709. The reversal of 47915958689 is 98685951974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47915958689 is a prime.

It is a super-3 number, since 3×47915958689³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47915958589) 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, 16787627 + ... + 16790480.

It is an arithmetic number, because the mean of its divisors is an integer number (11987384556).

Almost surely, 2^47915958689 is an apocalyptic number.

It is an amenable number.

47915958689 is a deficient number, since it is larger than the sum of its proper divisors (33579535).

47915958689 is a wasteful number, since it uses less digits than its factorization.

47915958689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33579534.

The product of its digits is 195955200, while the sum is 71.

The spelling of 47915958689 in words is "forty-seven billion, nine hundred fifteen million, nine hundred fifty-eight thousand, six hundred eighty-nine".