5040091643 has 4 divisors (see below), whose sum is σ = 5336567640. Its totient is φ = 4743615648.

The previous prime is 5040091571. The next prime is 5040091673. The reversal of 5040091643 is 3461900405.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5040091643 - 2⁸ = 5040091387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5040091673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148237973 + ... + 148238006.

It is an arithmetic number, because the mean of its divisors is an integer number (1334141910).

Almost surely, 2^5040091643 is an apocalyptic number.

5040091643 is a deficient number, since it is larger than the sum of its proper divisors (296475997).

5040091643 is a wasteful number, since it uses less digits than its factorization.

5040091643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296475996.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 5040091643 is about 70993.6028315228. The cubic root of 5040091643 is about 1714.5341682054.

The spelling of 5040091643 in words is "five billion, forty million, ninety-one thousand, six hundred forty-three".