5214681391 has 8 divisors (see below), whose sum is σ = 5372753904. Its totient is φ = 5058079680.

The previous prime is 5214681377. The next prime is 5214681397. The reversal of 5214681391 is 1931864125.

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

It is a cyclic number.

It is not a de Polignac number, because 5214681391 - 2¹¹ = 5214679343 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 (5214681397) 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 7 ways as a sum of consecutive naturals, for example, 360501 + ... + 374686.

It is an arithmetic number, because the mean of its divisors is an integer number (671594238).

Almost surely, 2^5214681391 is an apocalyptic number.

5214681391 is a deficient number, since it is larger than the sum of its proper divisors (158072513).

5214681391 is a wasteful number, since it uses less digits than its factorization.

5214681391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735401.

The product of its digits is 51840, while the sum is 40.

The square root of 5214681391 is about 72212.7508892993. The cubic root of 5214681391 is about 1734.1071395313.

The spelling of 5214681391 in words is "five billion, two hundred fourteen million, six hundred eighty-one thousand, three hundred ninety-one".