2193429648 has 20 divisors (see below), whose sum is σ = 5666360048. Its totient is φ = 731143200.

The previous prime is 2193429647. The next prime is 2193429659. The reversal of 2193429648 is 8469243912.

It is a super-2 number, since 2×2193429648² = 9622267241450807808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 45696451 = 2193429648 / (2 + 1 + 9 + 3 + 4 + 2 + 9 + 6 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 2193429597 and 2193429606.

It is not an unprimeable number, because it can be changed into a prime (2193429647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22848178 + ... + 22848273.

Almost surely, 2^2193429648 is an apocalyptic number.

It is an amenable number.

2193429648 is an abundant number, since it is smaller than the sum of its proper divisors (3472930400).

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

2193429648 is a wasteful number, since it uses less digits than its factorization.

2193429648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45696462 (or 45696456 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 2193429648 is about 46834.0650381749. The cubic root of 2193429648 is about 1299.2954067433.

The spelling of 2193429648 in words is "two billion, one hundred ninety-three million, four hundred twenty-nine thousand, six hundred forty-eight".