47272405813 has 2 divisors, whose sum is σ = 47272405814. Its totient is φ = 47272405812.

The previous prime is 47272405751. The next prime is 47272405861. The reversal of 47272405813 is 31850427274.

47272405813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32133072049 + 15139333764 = 179257^2 + 123042^2 .

It is a cyclic number.

It is not a de Polignac number, because 47272405813 - 2¹³ = 47272397621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47272405813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47272405883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23636202906 + 23636202907.

It is an arithmetic number, because the mean of its divisors is an integer number (23636202907).

Almost surely, 2^47272405813 is an apocalyptic number.

It is an amenable number.

47272405813 is a deficient number, since it is larger than the sum of its proper divisors (1).

47272405813 is an equidigital number, since it uses as much as digits as its factorization.

47272405813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 47272405813 in words is "forty-seven billion, two hundred seventy-two million, four hundred five thousand, eight hundred thirteen".