9498961889886 has 64 divisors (see below), whose sum is σ = 21732828549120. Its totient is φ = 2711375907840.

The previous prime is 9498961889869. The next prime is 9498961889903. The reversal of 9498961889886 is 6889881698949.

It is an interprime number because it is at equal distance from previous prime (9498961889869) and next prime (9498961889903).

It is a self number, because there is not a number n which added to its sum of digits gives 9498961889886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198794830 + ... + 198842606.

It is an arithmetic number, because the mean of its divisors is an integer number (339575446080).

Almost surely, 2^{9498961889886} is an apocalyptic number.

9498961889886 is an abundant number, since it is smaller than the sum of its proper divisors (12233866659234).

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

9498961889886 is a wasteful number, since it uses less digits than its factorization.

9498961889886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52249.

The product of its digits is 30958682112, while the sum is 93.

The spelling of 9498961889886 in words is "nine trillion, four hundred ninety-eight billion, nine hundred sixty-one million, eight hundred eighty-nine thousand, eight hundred eighty-six".