2189830146398 has 8 divisors (see below), whose sum is σ = 3317267449800. Its totient is φ = 1084074329800.

The previous prime is 2189830146397. The next prime is 2189830146401. The reversal of 2189830146398 is 8936410389812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2189830146398² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2189830146398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189830146397) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5420371448 + ... + 5420371851.

It is an arithmetic number, because the mean of its divisors is an integer number (414658431225).

Almost surely, 2^{2189830146398} is an apocalyptic number.

2189830146398 is a deficient number, since it is larger than the sum of its proper divisors (1127437303402).

2189830146398 is a wasteful number, since it uses less digits than its factorization.

2189830146398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10840743402.

The product of its (nonzero) digits is 17915904, while the sum is 62.

The spelling of 2189830146398 in words is "two trillion, one hundred eighty-nine billion, eight hundred thirty million, one hundred forty-six thousand, three hundred ninety-eight".