2189153743 has 12 divisors (see below), whose sum is σ = 2563666200. Its totient is φ = 1863817872.

The previous prime is 2189153671. The next prime is 2189153749. The reversal of 2189153743 is 3473519812.

It is a de Polignac number, because none of the positive numbers 2^k-2189153743 is a prime.

It is a super-2 number, since 2×2189153743² = 9584788220981820098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2189153743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189153749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142621 + ... + 157222.

It is an arithmetic number, because the mean of its divisors is an integer number (213638850).

Almost surely, 2^2189153743 is an apocalyptic number.

2189153743 is a deficient number, since it is larger than the sum of its proper divisors (374512457).

2189153743 is a wasteful number, since it uses less digits than its factorization.

2189153743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300006 (or 299999 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 2189153743 is about 46788.3932508908. The cubic root of 2189153743 is about 1298.4505688058.

The spelling of 2189153743 in words is "two billion, one hundred eighty-nine million, one hundred fifty-three thousand, seven hundred forty-three".