5821308947 has 4 divisors (see below), whose sum is σ = 6074409360. Its totient is φ = 5568208536.

The previous prime is 5821308943. The next prime is 5821308949. The reversal of 5821308947 is 7498031285.

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 5821308947 - 2² = 5821308943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5821308943) 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, 126550172 + ... + 126550217.

It is an arithmetic number, because the mean of its divisors is an integer number (1518602340).

Almost surely, 2^5821308947 is an apocalyptic number.

5821308947 is a deficient number, since it is larger than the sum of its proper divisors (253100413).

5821308947 is a wasteful number, since it uses less digits than its factorization.

5821308947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253100412.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 5821308947 is about 76297.5028883646. The cubic root of 5821308947 is about 1798.8994246395.

The spelling of 5821308947 in words is "five billion, eight hundred twenty-one million, three hundred eight thousand, nine hundred forty-seven".