5218737361 has 4 divisors (see below), whose sum is σ = 5219075952. Its totient is φ = 5218398772.

The previous prime is 5218737241. The next prime is 5218737397. The reversal of 5218737361 is 1637378125.

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 5218737361 - 2¹³ = 5218729169 is a prime.

It is a super-3 number, since 3×5218737361³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5218237361) 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, 145015 + ... + 177388.

It is an arithmetic number, because the mean of its divisors is an integer number (1304768988).

Almost surely, 2^5218737361 is an apocalyptic number.

It is an amenable number.

5218737361 is a deficient number, since it is larger than the sum of its proper divisors (338591).

5218737361 is a wasteful number, since it uses less digits than its factorization.

5218737361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338590.

The product of its digits is 211680, while the sum is 43.

The square root of 5218737361 is about 72240.8289058203. The cubic root of 5218737361 is about 1734.5566181763.

The spelling of 5218737361 in words is "five billion, two hundred eighteen million, seven hundred thirty-seven thousand, three hundred sixty-one".