948289575481 has 2 divisors, whose sum is σ = 948289575482. Its totient is φ = 948289575480.

The previous prime is 948289575449. The next prime is 948289575487. The reversal of 948289575481 is 184575982849.

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., 943967696400 + 4321879081 = 971580^2 + 65741^2 .

It is a cyclic number.

It is not a de Polignac number, because 948289575481 - 2⁵ = 948289575449 is a prime.

It is a super-2 number, since 2×948289575481² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 948289575481.

It is not a weakly prime, because it can be changed into another prime (948289575487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474144787740 + 474144787741.

It is an arithmetic number, because the mean of its divisors is an integer number (474144787741).

Almost surely, 2^948289575481 is an apocalyptic number.

It is an amenable number.

948289575481 is a deficient number, since it is larger than the sum of its proper divisors (1).

948289575481 is an equidigital number, since it uses as much as digits as its factorization.

948289575481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 232243200, while the sum is 70.

The spelling of 948289575481 in words is "nine hundred forty-eight billion, two hundred eighty-nine million, five hundred seventy-five thousand, four hundred eighty-one".