5819078381 has 4 divisors (see below), whose sum is σ = 5961007164. Its totient is φ = 5677149600.

The previous prime is 5819078351. The next prime is 5819078383. The reversal of 5819078381 is 1838709185.

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

It can be written as a sum of positive squares in 2 ways, for example, as 729540100 + 5089538281 = 27010^2 + 71341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5819078381 is a prime.

It is a super-2 number, since 2×5819078381² = 67723346408443162322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5819078383) 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, 70964330 + ... + 70964411.

It is an arithmetic number, because the mean of its divisors is an integer number (1490251791).

Almost surely, 2^5819078381 is an apocalyptic number.

It is an amenable number.

5819078381 is a deficient number, since it is larger than the sum of its proper divisors (141928783).

5819078381 is a wasteful number, since it uses less digits than its factorization.

5819078381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141928782.

The product of its (nonzero) digits is 483840, while the sum is 50.

The square root of 5819078381 is about 76282.8839321115. The cubic root of 5819078381 is about 1798.6696323058.

The spelling of 5819078381 in words is "five billion, eight hundred nineteen million, seventy-eight thousand, three hundred eighty-one".