9534439380 has 48 divisors (see below), whose sum is σ = 26900241984. Its totient is φ = 2523106560.

The previous prime is 9534439373. The next prime is 9534439427. The reversal of 9534439380 is 839344359.

It is a happy number.

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, 598657 + ... + 614376.

It is an arithmetic number, because the mean of its divisors is an integer number (560421708).

Almost surely, 2^9534439380 is an apocalyptic number.

It is an amenable number.

9534439380 is an abundant number, since it is smaller than the sum of its proper divisors (17365802604).

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

9534439380 is a wasteful number, since it uses less digits than its factorization.

9534439380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213176 (or 1213174 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 48.

The square root of 9534439380 is about 97644.4539131640. The cubic root of 9534439380 is about 2120.4679888284.

The spelling of 9534439380 in words is "nine billion, five hundred thirty-four million, four hundred thirty-nine thousand, three hundred eighty".