47991742629 has 32 divisors (see below), whose sum is σ = 68999055360. Its totient is φ = 29575497600.

The previous prime is 47991742567. The next prime is 47991742639. The reversal of 47991742629 is 92624719974.

It is not a de Polignac number, because 47991742629 - 2¹¹ = 47991740581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47991742639) 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 31 ways as a sum of consecutive naturals, for example, 859689 + ... + 913809.

It is an arithmetic number, because the mean of its divisors is an integer number (2156220480).

Almost surely, 2^47991742629 is an apocalyptic number.

It is an amenable number.

47991742629 is a deficient number, since it is larger than the sum of its proper divisors (21007312731).

47991742629 is a wasteful number, since it uses less digits than its factorization.

47991742629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54521.

The product of its digits is 13716864, while the sum is 60.

The spelling of 47991742629 in words is "forty-seven billion, nine hundred ninety-one million, seven hundred forty-two thousand, six hundred twenty-nine".