47909553179 has 4 divisors (see below), whose sum is σ = 48374694576. Its totient is φ = 47444411784.

The previous prime is 47909553103. The next prime is 47909553191. The reversal of 47909553179 is 97135590974.

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 47909553179 - 2¹⁶ = 47909487643 is a prime.

It is a super-2 number, since 2×47909553179² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47909553199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232570544 + ... + 232570749.

It is an arithmetic number, because the mean of its divisors is an integer number (12093673644).

Almost surely, 2^47909553179 is an apocalyptic number.

47909553179 is a deficient number, since it is larger than the sum of its proper divisors (465141397).

47909553179 is a wasteful number, since it uses less digits than its factorization.

47909553179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465141396.

The product of its (nonzero) digits is 10716300, while the sum is 59.

The spelling of 47909553179 in words is "forty-seven billion, nine hundred nine million, five hundred fifty-three thousand, one hundred seventy-nine".