4045862993 has 8 divisors (see below), whose sum is σ = 4190152680. Its totient is φ = 3901891840.

The previous prime is 4045862987. The next prime is 4045862999. The reversal of 4045862993 is 3992685404.

4045862993 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4045862987) and next prime (4045862999).

It can be written as a sum of positive squares in 4 ways, for example, as 715188049 + 3330674944 = 26743^2 + 57712^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4045862993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4045862999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53630 + ... + 104727.

It is an arithmetic number, because the mean of its divisors is an integer number (523769085).

Almost surely, 2^4045862993 is an apocalyptic number.

It is an amenable number.

4045862993 is a deficient number, since it is larger than the sum of its proper divisors (144289687).

4045862993 is a wasteful number, since it uses less digits than its factorization.

4045862993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159267.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The square root of 4045862993 is about 63607.0986054230. The cubic root of 4045862993 is about 1593.4449249246. Note that the first 3 decimals are identical.

The spelling of 4045862993 in words is "four billion, forty-five million, eight hundred sixty-two thousand, nine hundred ninety-three".