47125454449 has 2 divisors, whose sum is σ = 47125454450. Its totient is φ = 47125454448.

The previous prime is 47125454437. The next prime is 47125454477. The reversal of 47125454449 is 94445452174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46056164449 + 1069290000 = 214607^2 + 32700^2 .

It is a cyclic number.

It is not a de Polignac number, because 47125454449 - 2³⁵ = 12765716081 is a prime.

It is not a weakly prime, because it can be changed into another prime (47125454249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23562727224 + 23562727225.

It is an arithmetic number, because the mean of its divisors is an integer number (23562727225).

Almost surely, 2^47125454449 is an apocalyptic number.

It is an amenable number.

47125454449 is a deficient number, since it is larger than the sum of its proper divisors (1).

47125454449 is an equidigital number, since it uses as much as digits as its factorization.

47125454449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3225600, while the sum is 49.

The spelling of 47125454449 in words is "forty-seven billion, one hundred twenty-five million, four hundred fifty-four thousand, four hundred forty-nine".