9683661380 has 24 divisors (see below), whose sum is σ = 21531906648. Its totient is φ = 3645613568.

The previous prime is 9683661373. The next prime is 9683661409. The reversal of 9683661380 is 831663869.

It can be written as a sum of positive squares in 4 ways, for example, as 4432630084 + 5251031296 = 66578^2 + 72464^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14240339 + ... + 14241018.

It is an arithmetic number, because the mean of its divisors is an integer number (897162777).

Almost surely, 2^9683661380 is an apocalyptic number.

It is an amenable number.

9683661380 is an abundant number, since it is smaller than the sum of its proper divisors (11848245268).

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

9683661380 is a wasteful number, since it uses less digits than its factorization.

9683661380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28481383 (or 28481381 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 9683661380 is about 98405.5962839512. The cubic root of 9683661380 is about 2131.4731431550.

The spelling of 9683661380 in words is "nine billion, six hundred eighty-three million, six hundred sixty-one thousand, three hundred eighty".