47991532373 has 2 divisors, whose sum is σ = 47991532374. Its totient is φ = 47991532372.

The previous prime is 47991532343. The next prime is 47991532403. The reversal of 47991532373 is 37323519974.

It is a balanced prime because it is at equal distance from previous prime (47991532343) and next prime (47991532403).

It can be written as a sum of positive squares in only one way, i.e., 33447654769 + 14543877604 = 182887^2 + 120598^2 .

It is a cyclic number.

It is not a de Polignac number, because 47991532373 - 2²⁶ = 47924423509 is a prime.

It is a super-2 number, since 2×47991532373² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47991532313) 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 as a sum of consecutive naturals, namely, 23995766186 + 23995766187.

It is an arithmetic number, because the mean of its divisors is an integer number (23995766187).

Almost surely, 2^47991532373 is an apocalyptic number.

It is an amenable number.

47991532373 is a deficient number, since it is larger than the sum of its proper divisors (1).

47991532373 is an equidigital number, since it uses as much as digits as its factorization.

47991532373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4286520, while the sum is 53.

The spelling of 47991532373 in words is "forty-seven billion, nine hundred ninety-one million, five hundred thirty-two thousand, three hundred seventy-three".