9554234881 has 2 divisors, whose sum is σ = 9554234882. Its totient is φ = 9554234880.

The previous prime is 9554234869. The next prime is 9554234897. The reversal of 9554234881 is 1884324559.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8988746481 + 565488400 = 94809^2 + 23780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9554234881 is a prime.

It is a super-2 number, since 2×9554234881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9554234381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4777117440 + 4777117441.

It is an arithmetic number, because the mean of its divisors is an integer number (4777117441).

Almost surely, 2^9554234881 is an apocalyptic number.

It is an amenable number.

9554234881 is a deficient number, since it is larger than the sum of its proper divisors (1).

9554234881 is an equidigital number, since it uses as much as digits as its factorization.

9554234881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 49.

The square root of 9554234881 is about 97745.7665630589. The cubic root of 9554234881 is about 2121.9344868517.

The spelling of 9554234881 in words is "nine billion, five hundred fifty-four million, two hundred thirty-four thousand, eight hundred eighty-one".