948681433081 has 2 divisors, whose sum is σ = 948681433082. Its totient is φ = 948681433080.

The previous prime is 948681433069. The next prime is 948681433103. The reversal of 948681433081 is 180334186849.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 877894041600 + 70787391481 = 936960^2 + 266059^2 .

It is an emirp because it is prime and its reverse (180334186849) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 948681433081 - 2⁷ = 948681432953 is a prime.

It is a super-2 number, since 2×948681433081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (948681433681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474340716540 + 474340716541.

It is an arithmetic number, because the mean of its divisors is an integer number (474340716541).

Almost surely, 2^948681433081 is an apocalyptic number.

It is an amenable number.

948681433081 is a deficient number, since it is larger than the sum of its proper divisors (1).

948681433081 is an equidigital number, since it uses as much as digits as its factorization.

948681433081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 948681433081 in words is "nine hundred forty-eight billion, six hundred eighty-one million, four hundred thirty-three thousand, eighty-one".