5921423999 has 4 divisors (see below), whose sum is σ = 5954504760. Its totient is φ = 5888343240.

The previous prime is 5921423941. The next prime is 5921424011. The reversal of 5921423999 is 9993241295.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5921423999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5921423999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5921423939) 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, 16540112 + ... + 16540469.

It is an arithmetic number, because the mean of its divisors is an integer number (1488626190).

Almost surely, 2^5921423999 is an apocalyptic number.

5921423999 is a deficient number, since it is larger than the sum of its proper divisors (33080761).

5921423999 is a wasteful number, since it uses less digits than its factorization.

5921423999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33080760.

The product of its digits is 1574640, while the sum is 53.

The square root of 5921423999 is about 76950.7894631368. The cubic root of 5921423999 is about 1809.1533741865.

The spelling of 5921423999 in words is "five billion, nine hundred twenty-one million, four hundred twenty-three thousand, nine hundred ninety-nine".