5642581012 has 48 divisors (see below), whose sum is σ = 10617868800. Its totient is φ = 2615850720.

The previous prime is 5642580989. The next prime is 5642581073. The reversal of 5642581012 is 2101852465.

It is a happy number.

It is a congruent number.

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, 746283 + ... + 753805.

It is an arithmetic number, because the mean of its divisors is an integer number (221205600).

Almost surely, 2^5642581012 is an apocalyptic number.

It is an amenable number.

5642581012 is a deficient number, since it is larger than the sum of its proper divisors (4975287788).

5642581012 is a wasteful number, since it uses less digits than its factorization.

5642581012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7756 (or 7754 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 5642581012 is about 75117.1153066996. The cubic root of 5642581012 is about 1780.2975780733.

The spelling of 5642581012 in words is "five billion, six hundred forty-two million, five hundred eighty-one thousand, twelve".