9801861032 has 32 divisors (see below), whose sum is σ = 19018125000. Its totient is φ = 4730466048.

The previous prime is 9801861023. The next prime is 9801861049. The reversal of 9801861032 is 2301681089.

It can be written as a sum of positive squares in 4 ways, for example, as 6574939396 + 3226921636 = 81086^2 + 56806^2 .

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, 1330094 + ... + 1337442.

Almost surely, 2^9801861032 is an apocalyptic number.

It is an amenable number.

9801861032 is a deficient number, since it is larger than the sum of its proper divisors (9216263968).

9801861032 is a wasteful number, since it uses less digits than its factorization.

9801861032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13133 (or 13129 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 9801861032 is about 99004.3485509601. The cubic root of 9801861032 is about 2140.1104138448.

The spelling of 9801861032 in words is "nine billion, eight hundred one million, eight hundred sixty-one thousand, thirty-two".