5191674689 has 4 divisors (see below), whose sum is σ = 5193494724. Its totient is φ = 5189854656.

The previous prime is 5191674671. The next prime is 5191674797. The reversal of 5191674689 is 9864761915.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1280423089 + 3911251600 = 35783^2 + 62540^2 .

It is a cyclic number.

It is not a de Polignac number, because 5191674689 - 2¹² = 5191670593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5191676689) 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, 905732 + ... + 911445.

It is an arithmetic number, because the mean of its divisors is an integer number (1298373681).

Almost surely, 2^5191674689 is an apocalyptic number.

It is an amenable number.

5191674689 is a deficient number, since it is larger than the sum of its proper divisors (1820035).

5191674689 is a wasteful number, since it uses less digits than its factorization.

5191674689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820034.

The product of its digits is 3265920, while the sum is 56.

The square root of 5191674689 is about 72053.2767402011. The cubic root of 5191674689 is about 1731.5531386203.

The spelling of 5191674689 in words is "five billion, one hundred ninety-one million, six hundred seventy-four thousand, six hundred eighty-nine".