9189948289492 has 24 divisors (see below), whose sum is σ = 16179505372800. Its totient is φ = 4567235170080.

The previous prime is 9189948289477. The next prime is 9189948289523. The reversal of 9189948289492 is 2949828499819.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13721634 + ... + 14375782.

It is an arithmetic number, because the mean of its divisors is an integer number (674146057200).

Almost surely, 2^{9189948289492} is an apocalyptic number.

It is an amenable number.

9189948289492 is a deficient number, since it is larger than the sum of its proper divisors (6989557083308).

9189948289492 is a wasteful number, since it uses less digits than its factorization.

9189948289492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675351 (or 675349 counting only the distinct ones).

The product of its digits is 1934917632, while the sum is 82.

It can be divided in two parts, 918994 and 8289492, that added together give a triangular number (9208486 = T₄₂₉₁).

The spelling of 9189948289492 in words is "nine trillion, one hundred eighty-nine billion, nine hundred forty-eight million, two hundred eighty-nine thousand, four hundred ninety-two".