6158446249 has 4 divisors (see below), whose sum is σ = 6160308436. Its totient is φ = 6156584064.

The previous prime is 6158446243. The next prime is 6158446253. The reversal of 6158446249 is 9426448516.

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 5820621849 + 337824400 = 76293^2 + 18380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6158446249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6158446243) 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, 926124 + ... + 932749.

It is an arithmetic number, because the mean of its divisors is an integer number (1540077109).

Almost surely, 2^6158446249 is an apocalyptic number.

It is an amenable number.

6158446249 is a deficient number, since it is larger than the sum of its proper divisors (1862187).

6158446249 is a wasteful number, since it uses less digits than its factorization.

6158446249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862186.

The product of its digits is 1658880, while the sum is 49.

The square root of 6158446249 is about 78475.7685467304. The cubic root of 6158446249 is about 1832.9771529287.

The spelling of 6158446249 in words is "six billion, one hundred fifty-eight million, four hundred forty-six thousand, two hundred forty-nine".