47915474851 has 2 divisors, whose sum is σ = 47915474852. Its totient is φ = 47915474850.

The previous prime is 47915474819. The next prime is 47915474869. The reversal of 47915474851 is 15847451974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47915474851 - 2⁵ = 47915474819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47915474792 and 47915474801.

It is not a weakly prime, because it can be changed into another prime (47915474051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23957737425 + 23957737426.

It is an arithmetic number, because the mean of its divisors is an integer number (23957737426).

Almost surely, 2^47915474851 is an apocalyptic number.

47915474851 is a deficient number, since it is larger than the sum of its proper divisors (1).

47915474851 is an equidigital number, since it uses as much as digits as its factorization.

47915474851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5644800, while the sum is 55.

The spelling of 47915474851 in words is "forty-seven billion, nine hundred fifteen million, four hundred seventy-four thousand, eight hundred fifty-one".