5091083733649 has 3 divisors (see below), whose sum is σ = 5091085989993. Its totient is φ = 5091081477306.

The previous prime is 5091083733643. The next prime is 5091083733677. The reversal of 5091083733649 is 9463373801905.

The square root of 5091083733649 is 2256343.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 5091083733649 - 2¹³ = 5091083725457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5091083733593 and 5091083733602.

It is not an unprimeable number, because it can be changed into a prime (5091083733643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1128172 + ... + 3384514.

It is an arithmetic number, because the mean of its divisors is an integer number (1697028663331).

Almost surely, 2^{5091083733649} is an apocalyptic number.

5091083733649 is the 2256343-rd square number.

5091083733649 is the 1128172-nd centered octagonal number.

It is an amenable number.

5091083733649 is a deficient number, since it is larger than the sum of its proper divisors (2256344).

5091083733649 is an frugal number, since it uses more digits than its factorization.

5091083733649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512686 (or 2256343 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 58.

The spelling of 5091083733649 in words is "five trillion, ninety-one billion, eighty-three million, seven hundred thirty-three thousand, six hundred forty-nine".