5067643391 has 4 divisors (see below), whose sum is σ = 5068992432. Its totient is φ = 5066294352.

The previous prime is 5067643351. The next prime is 5067643393. The reversal of 5067643391 is 1933467605.

It is a happy number.

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 5067643391 - 2²² = 5063449087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5067643393) 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, 668870 + ... + 676403.

It is an arithmetic number, because the mean of its divisors is an integer number (1267248108).

Almost surely, 2^5067643391 is an apocalyptic number.

5067643391 is a deficient number, since it is larger than the sum of its proper divisors (1349041).

5067643391 is a wasteful number, since it uses less digits than its factorization.

5067643391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349040.

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 5067643391 is about 71187.3822457323. The cubic root of 5067643391 is about 1717.6526695216.

The spelling of 5067643391 in words is "five billion, sixty-seven million, six hundred forty-three thousand, three hundred ninety-one".