5017544821 has 4 divisors (see below), whose sum is σ = 5112215532. Its totient is φ = 4922874112.

The previous prime is 5017544797. The next prime is 5017544837. The reversal of 5017544821 is 1284457105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1284457105 = 5 ⋅256891421.

It can be written as a sum of positive squares in 2 ways, for example, as 3929534596 + 1088010225 = 62686^2 + 32985^2 .

It is a cyclic number.

It is not a de Polignac number, because 5017544821 - 2²¹ = 5015447669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5017541821) 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, 47335276 + ... + 47335381.

It is an arithmetic number, because the mean of its divisors is an integer number (1278053883).

Almost surely, 2^5017544821 is an apocalyptic number.

It is an amenable number.

5017544821 is a deficient number, since it is larger than the sum of its proper divisors (94670711).

5017544821 is an equidigital number, since it uses as much as digits as its factorization.

5017544821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94670710.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 5017544821 is about 70834.6300971495. The cubic root of 5017544821 is about 1711.9736932817.

The spelling of 5017544821 in words is "five billion, seventeen million, five hundred forty-four thousand, eight hundred twenty-one".