47924259091 has 4 divisors (see below), whose sum is σ = 47924700352. Its totient is φ = 47923817832.

The previous prime is 47924259067. The next prime is 47924259101. The reversal of 47924259091 is 19095242974.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47924259091 - 2²¹ = 47922161939 is a prime.

It is a super-2 number, since 2×47924259091² (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 (47924259991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69145 + ... + 317221.

It is an arithmetic number, because the mean of its divisors is an integer number (11981175088).

Almost surely, 2^47924259091 is an apocalyptic number.

47924259091 is a deficient number, since it is larger than the sum of its proper divisors (441261).

47924259091 is a wasteful number, since it uses less digits than its factorization.

47924259091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441260.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 47924259091 in words is "forty-seven billion, nine hundred twenty-four million, two hundred fifty-nine thousand, ninety-one".