5164737209449 has 4 divisors (see below), whose sum is σ = 5166553862736. Its totient is φ = 5162920556164.

The previous prime is 5164737209447. The next prime is 5164737209453. The reversal of 5164737209449 is 9449027374615.

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 5164737209449 - 2¹ = 5164737209447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5164737209447) 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, 908322379 + ... + 908328064.

It is an arithmetic number, because the mean of its divisors is an integer number (1291638465684).

Almost surely, 2^{5164737209449} is an apocalyptic number.

It is an amenable number.

5164737209449 is a deficient number, since it is larger than the sum of its proper divisors (1816653287).

5164737209449 is a wasteful number, since it uses less digits than its factorization.

5164737209449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816653286.

The product of its (nonzero) digits is 45722880, while the sum is 61.

The spelling of 5164737209449 in words is "five trillion, one hundred sixty-four billion, seven hundred thirty-seven million, two hundred nine thousand, four hundred forty-nine".