5065956391 has 4 divisors (see below), whose sum is σ = 5069679984. Its totient is φ = 5062232800.

The previous prime is 5065956383. The next prime is 5065956421. The reversal of 5065956391 is 1936595605.

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 5065956391 - 2³ = 5065956383 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 (5065950391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859755 + ... + 1862476.

It is an arithmetic number, because the mean of its divisors is an integer number (1267419996).

Almost surely, 2^5065956391 is an apocalyptic number.

5065956391 is a deficient number, since it is larger than the sum of its proper divisors (3723593).

5065956391 is a wasteful number, since it uses less digits than its factorization.

5065956391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723592.

The product of its (nonzero) digits is 1093500, while the sum is 49.

The square root of 5065956391 is about 71175.5322495027. The cubic root of 5065956391 is about 1717.4620482649.

The spelling of 5065956391 in words is "five billion, sixty-five million, nine hundred fifty-six thousand, three hundred ninety-one".