5191334641 has 4 divisors (see below), whose sum is σ = 5464562800. Its totient is φ = 4918106484.

The previous prime is 5191334639. The next prime is 5191334647. The reversal of 5191334641 is 1464331915.

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 5191334641 - 2¹ = 5191334639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5191334641.

It is not an unprimeable number, because it can be changed into a prime (5191334647) 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, 136614051 + ... + 136614088.

It is an arithmetic number, because the mean of its divisors is an integer number (1366140700).

Almost surely, 2^5191334641 is an apocalyptic number.

It is an amenable number.

5191334641 is a deficient number, since it is larger than the sum of its proper divisors (273228159).

5191334641 is a wasteful number, since it uses less digits than its factorization.

5191334641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273228158.

The product of its digits is 38880, while the sum is 37.

The square root of 5191334641 is about 72050.9170031860. The cubic root of 5191334641 is about 1731.5153329620.

The spelling of 5191334641 in words is "five billion, one hundred ninety-one million, three hundred thirty-four thousand, six hundred forty-one".