5021613817 has 4 divisors (see below), whose sum is σ = 5478124176. Its totient is φ = 4565103460.

The previous prime is 5021613781. The next prime is 5021613823. The reversal of 5021613817 is 7183161205.

It is a happy number.

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 5021613817 - 2⁷ = 5021613689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5021613847) 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, 228255163 + ... + 228255184.

It is an arithmetic number, because the mean of its divisors is an integer number (1369531044).

Almost surely, 2^5021613817 is an apocalyptic number.

It is an amenable number.

5021613817 is a deficient number, since it is larger than the sum of its proper divisors (456510359).

5021613817 is a wasteful number, since it uses less digits than its factorization.

5021613817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456510358.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 5021613817 is about 70863.3460753865. The cubic root of 5021613817 is about 1712.4363453136.

The spelling of 5021613817 in words is "five billion, twenty-one million, six hundred thirteen thousand, eight hundred seventeen".