48181378753447 has 2 divisors, whose sum is σ = 48181378753448. Its totient is φ = 48181378753446.

The previous prime is 48181378753439. The next prime is 48181378753513. The reversal of 48181378753447 is 74435787318184.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48181378753447 - 2³ = 48181378753439 is a prime.

It is a super-2 number, since 2×48181378753447² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48181378750447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24090689376723 + 24090689376724.

It is an arithmetic number, because the mean of its divisors is an integer number (24090689376724).

Almost surely, 2^{48181378753447} is an apocalyptic number.

48181378753447 is a deficient number, since it is larger than the sum of its proper divisors (1).

48181378753447 is an equidigital number, since it uses as much as digits as its factorization.

48181378753447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 505774080, while the sum is 70.

The spelling of 48181378753447 in words is "forty-eight trillion, one hundred eighty-one billion, three hundred seventy-eight million, seven hundred fifty-three thousand, four hundred forty-seven".