5294019821 has 4 divisors (see below), whose sum is σ = 5294236992. Its totient is φ = 5293802652.

The previous prime is 5294019769. The next prime is 5294019833. The reversal of 5294019821 is 1289104925.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5294019821 - 2²² = 5289825517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5294019881) 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, 66611 + ... + 122576.

It is an arithmetic number, because the mean of its divisors is an integer number (1323559248).

Almost surely, 2^5294019821 is an apocalyptic number.

It is an amenable number.

5294019821 is a deficient number, since it is larger than the sum of its proper divisors (217171).

5294019821 is a wasteful number, since it uses less digits than its factorization.

5294019821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217170.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 5294019821 is about 72760.0152625053. The cubic root of 5294019821 is about 1742.8573983577.

The spelling of 5294019821 in words is "five billion, two hundred ninety-four million, nineteen thousand, eight hundred twenty-one".