2189700472 has 32 divisors (see below), whose sum is σ = 4150609920. Its totient is φ = 1082924640.

The previous prime is 2189700449. The next prime is 2189700473. The reversal of 2189700472 is 2740079812.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189700473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349447 + ... + 355657.

It is an arithmetic number, because the mean of its divisors is an integer number (129706560).

Almost surely, 2^2189700472 is an apocalyptic number.

It is an amenable number.

2189700472 is a deficient number, since it is larger than the sum of its proper divisors (1960909448).

2189700472 is a wasteful number, since it uses less digits than its factorization.

2189700472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691 (or 6687 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 2189700472 is about 46794.2354569449. The cubic root of 2189700472 is about 1298.5586534167.

The spelling of 2189700472 in words is "two billion, one hundred eighty-nine million, seven hundred thousand, four hundred seventy-two".