9554431952 has 80 divisors (see below), whose sum is σ = 20492594640. Its totient is φ = 4288204800.

The previous prime is 9554431933. The next prime is 9554431963. The reversal of 9554431952 is 2591344559.

It can be written as a sum of positive squares in 8 ways, for example, as 2026440256 + 7527991696 = 45016^2 + 86764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9554431897 and 9554431906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125002 + ... + 1133462.

It is an arithmetic number, because the mean of its divisors is an integer number (256157433).

Almost surely, 2^9554431952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9554431952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10246297320).

9554431952 is an abundant number, since it is smaller than the sum of its proper divisors (10938162688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9554431952 is a wasteful number, since it uses less digits than its factorization.

9554431952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8632 (or 8626 counting only the distinct ones).

The product of its digits is 972000, while the sum is 47.

The square root of 9554431952 is about 97746.7746373250. The cubic root of 9554431952 is about 2121.9490761544.

The spelling of 9554431952 in words is "nine billion, five hundred fifty-four million, four hundred thirty-one thousand, nine hundred fifty-two".