6152271491 has 4 divisors (see below), whose sum is σ = 6514169832. Its totient is φ = 5790373152.

The previous prime is 6152271469. The next prime is 6152271493. The reversal of 6152271491 is 1941722516.

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

It is a cyclic number.

It is not a de Polignac number, because 6152271491 - 2¹⁴ = 6152255107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6152271493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180949145 + ... + 180949178.

It is an arithmetic number, because the mean of its divisors is an integer number (1628542458).

Almost surely, 2^6152271491 is an apocalyptic number.

6152271491 is a deficient number, since it is larger than the sum of its proper divisors (361898341).

6152271491 is a wasteful number, since it uses less digits than its factorization.

6152271491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361898340.

The product of its digits is 30240, while the sum is 38.

The square root of 6152271491 is about 78436.4168674220. The cubic root of 6152271491 is about 1832.3643373628.

The spelling of 6152271491 in words is "six billion, one hundred fifty-two million, two hundred seventy-one thousand, four hundred ninety-one".