10398493188 has 18 divisors (see below), whose sum is σ = 26285080094. Its totient is φ = 3466164384.

The previous prime is 10398493169. The next prime is 10398493201. The reversal of 10398493188 is 88139489301.

It can be written as a sum of positive squares in only one way, i.e., 6390083844 + 4008409344 = 79938^2 + 63312^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144423481 + ... + 144423552.

Almost surely, 2^10398493188 is an apocalyptic number.

10398493188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10398493188 is an abundant number, since it is smaller than the sum of its proper divisors (15886586906).

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

10398493188 is a wasteful number, since it uses less digits than its factorization.

10398493188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288847043 (or 288847038 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 10398493188 in words is "ten billion, three hundred ninety-eight million, four hundred ninety-three thousand, one hundred eighty-eight".