5645743012 has 48 divisors (see below), whose sum is σ = 12180192640. Its totient is φ = 2229783552.

The previous prime is 5645743003. The next prime is 5645743021. The reversal of 5645743012 is 2103475465.

It is an interprime number because it is at equal distance from previous prime (5645743003) and next prime (5645743021).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212788 + ... + 237844.

Almost surely, 2^5645743012 is an apocalyptic number.

5645743012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5645743012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6090096320).

5645743012 is an abundant number, since it is smaller than the sum of its proper divisors (6534449628).

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

5645743012 is a wasteful number, since it uses less digits than its factorization.

5645743012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25700 (or 25698 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 5645743012 is about 75138.1594930299. The cubic root of 5645743012 is about 1780.6300647927.

The spelling of 5645743012 in words is "five billion, six hundred forty-five million, seven hundred forty-three thousand, twelve".