47158327493 has 2 divisors, whose sum is σ = 47158327494. Its totient is φ = 47158327492.

The previous prime is 47158327483. The next prime is 47158327499. The reversal of 47158327493 is 39472385174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47126765569 + 31561924 = 217087^2 + 5618^2 .

It is a cyclic number.

It is not a de Polignac number, because 47158327493 - 2¹⁰ = 47158326469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47158327499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23579163746 + 23579163747.

It is an arithmetic number, because the mean of its divisors is an integer number (23579163747).

Almost surely, 2^47158327493 is an apocalyptic number.

It is an amenable number.

47158327493 is a deficient number, since it is larger than the sum of its proper divisors (1).

47158327493 is an equidigital number, since it uses as much as digits as its factorization.

47158327493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 53.

The spelling of 47158327493 in words is "forty-seven billion, one hundred fifty-eight million, three hundred twenty-seven thousand, four hundred ninety-three".