47924259181 has 2 divisors, whose sum is σ = 47924259182. Its totient is φ = 47924259180.

The previous prime is 47924259121. The next prime is 47924259199. The reversal of 47924259181 is 18195242974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47074245156 + 850014025 = 216966^2 + 29155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47924259181 is a prime.

It is a super-2 number, since 2×47924259181² (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 (47924259101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23962129590 + 23962129591.

It is an arithmetic number, because the mean of its divisors is an integer number (23962129591).

Almost surely, 2^47924259181 is an apocalyptic number.

It is an amenable number.

47924259181 is a deficient number, since it is larger than the sum of its proper divisors (1).

47924259181 is an equidigital number, since it uses as much as digits as its factorization.

47924259181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 52.

The spelling of 47924259181 in words is "forty-seven billion, nine hundred twenty-four million, two hundred fifty-nine thousand, one hundred eighty-one".