47845499437 has 2 divisors, whose sum is σ = 47845499438. Its totient is φ = 47845499436.

The previous prime is 47845499423. The next prime is 47845499489. The reversal of 47845499437 is 73499454874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34543567881 + 13301931556 = 185859^2 + 115334^2 .

It is a cyclic number.

It is not a de Polignac number, because 47845499437 - 2¹¹ = 47845497389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47848499437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23922749718 + 23922749719.

It is an arithmetic number, because the mean of its divisors is an integer number (23922749719).

Almost surely, 2^47845499437 is an apocalyptic number.

It is an amenable number.

47845499437 is a deficient number, since it is larger than the sum of its proper divisors (1).

47845499437 is an equidigital number, since it uses as much as digits as its factorization.

47845499437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121927680, while the sum is 64.

The spelling of 47845499437 in words is "forty-seven billion, eight hundred forty-five million, four hundred ninety-nine thousand, four hundred thirty-seven".