5643672650 has 48 divisors (see below), whose sum is σ = 13087465920. Its totient is φ = 1759065600.

The previous prime is 5643672623. The next prime is 5643672653. The reversal of 5643672650 is 562763465.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5643672653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 729095 + ... + 736794.

It is an arithmetic number, because the mean of its divisors is an integer number (272655540).

Almost surely, 2^5643672650 is an apocalyptic number.

5643672650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5643672650 is an abundant number, since it is smaller than the sum of its proper divisors (7443793270).

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

5643672650 is a wasteful number, since it uses less digits than its factorization.

5643672650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465919 (or 1465914 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 44.

The square root of 5643672650 is about 75124.3811954548. The cubic root of 5643672650 is about 1780.4123786801.

The spelling of 5643672650 in words is "five billion, six hundred forty-three million, six hundred seventy-two thousand, six hundred fifty".