47125454437 has 2 divisors, whose sum is σ = 47125454438. Its totient is φ = 47125454436.

The previous prime is 47125454399. The next prime is 47125454449. The reversal of 47125454437 is 73445452174.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35923137156 + 11202317281 = 189534^2 + 105841^2 .

It is a cyclic number.

It is not a de Polignac number, because 47125454437 - 2²³ = 47117065829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47125454477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23562727218 + 23562727219.

It is an arithmetic number, because the mean of its divisors is an integer number (23562727219).

Almost surely, 2^47125454437 is an apocalyptic number.

It is an amenable number.

47125454437 is a deficient number, since it is larger than the sum of its proper divisors (1).

47125454437 is an equidigital number, since it uses as much as digits as its factorization.

47125454437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1881600, while the sum is 46.

The spelling of 47125454437 in words is "forty-seven billion, one hundred twenty-five million, four hundred fifty-four thousand, four hundred thirty-seven".