47404721191 has 16 divisors (see below), whose sum is σ = 48322739520. Its totient is φ = 46496540160.

The previous prime is 47404721149. The next prime is 47404721207. The reversal of 47404721191 is 19112740474.

It is a cyclic number.

It is not a de Polignac number, because 47404721191 - 2²¹ = 47402624039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47404721131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12696961 + ... + 12700693.

It is an arithmetic number, because the mean of its divisors is an integer number (3020171220).

Almost surely, 2^47404721191 is an apocalyptic number.

47404721191 is a deficient number, since it is larger than the sum of its proper divisors (918018329).

47404721191 is a wasteful number, since it uses less digits than its factorization.

47404721191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 47404721191 in words is "forty-seven billion, four hundred four million, seven hundred twenty-one thousand, one hundred ninety-one".