47129238494 has 16 divisors (see below), whose sum is σ = 76144049520. Its totient is φ = 21748469760.

The previous prime is 47129238463. The next prime is 47129238509. The reversal of 47129238494 is 49483292174.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23774 + ... + 307934.

It is an arithmetic number, because the mean of its divisors is an integer number (4759003095).

Almost surely, 2^47129238494 is an apocalyptic number.

47129238494 is a deficient number, since it is larger than the sum of its proper divisors (29014811026).

47129238494 is a wasteful number, since it uses less digits than its factorization.

47129238494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290555.

The product of its digits is 3483648, while the sum is 53.

The spelling of 47129238494 in words is "forty-seven billion, one hundred twenty-nine million, two hundred thirty-eight thousand, four hundred ninety-four".