47131002493 has 2 divisors, whose sum is σ = 47131002494. Its totient is φ = 47131002492.

The previous prime is 47131002481. The next prime is 47131002517. The reversal of 47131002493 is 39420013174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39638022649 + 7492979844 = 199093^2 + 86562^2 .

It is a cyclic number.

It is not a de Polignac number, because 47131002493 - 2⁵ = 47131002461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47131002473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23565501246 + 23565501247.

It is an arithmetic number, because the mean of its divisors is an integer number (23565501247).

Almost surely, 2^47131002493 is an apocalyptic number.

It is an amenable number.

47131002493 is a deficient number, since it is larger than the sum of its proper divisors (1).

47131002493 is an equidigital number, since it uses as much as digits as its factorization.

47131002493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 47131002493 in words is "forty-seven billion, one hundred thirty-one million, two thousand, four hundred ninety-three".