47451093841 has 2 divisors, whose sum is σ = 47451093842. Its totient is φ = 47451093840.

The previous prime is 47451093799. The next prime is 47451093847. The reversal of 47451093841 is 14839015474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38212039441 + 9239054400 = 195479^2 + 96120^2 .

It is a cyclic number.

It is not a de Polignac number, because 47451093841 - 2³¹ = 45303610193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47451093791 and 47451093800.

It is not a weakly prime, because it can be changed into another prime (47451093847) 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, 23725546920 + 23725546921.

It is an arithmetic number, because the mean of its divisors is an integer number (23725546921).

Almost surely, 2^47451093841 is an apocalyptic number.

It is an amenable number.

47451093841 is a deficient number, since it is larger than the sum of its proper divisors (1).

47451093841 is an equidigital number, since it uses as much as digits as its factorization.

47451093841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 47451093841 in words is "forty-seven billion, four hundred fifty-one million, ninety-three thousand, eight hundred forty-one".