5643261432 has 48 divisors (see below), whose sum is σ = 15289560000. Its totient is φ = 1880382336.

The previous prime is 5643261419. The next prime is 5643261473. The reversal of 5643261432 is 2341623465.

5643261432 is a `hidden beast` number, since 5 + 6 + 4 + 3 + 2 + 614 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200569 + ... + 226967.

It is an arithmetic number, because the mean of its divisors is an integer number (318532500).

Almost surely, 2^5643261432 is an apocalyptic number.

It is an amenable number.

5643261432 is an abundant number, since it is smaller than the sum of its proper divisors (9646298568).

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

5643261432 is a wasteful number, since it uses less digits than its factorization.

5643261432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29380 (or 29373 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 5643261432 is about 75121.6442312068. The cubic root of 5643261432 is about 1780.3691352435.

Adding to 5643261432 its reverse (2341623465), we get a palindrome (7984884897).

The spelling of 5643261432 in words is "five billion, six hundred forty-three million, two hundred sixty-one thousand, four hundred thirty-two".