2046158449 has 4 divisors (see below), whose sum is σ = 2067252964. Its totient is φ = 2025063936.

The previous prime is 2046158419. The next prime is 2046158473. The reversal of 2046158449 is 9448516402.

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 495374049 + 1550784400 = 22257^2 + 39380^2 .

It is a cyclic number.

It is not a de Polignac number, because 2046158449 - 2⁵ = 2046158417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2046158419) 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, 10547112 + ... + 10547305.

It is an arithmetic number, because the mean of its divisors is an integer number (516813241).

Almost surely, 2^2046158449 is an apocalyptic number.

It is an amenable number.

2046158449 is a deficient number, since it is larger than the sum of its proper divisors (21094515).

2046158449 is an equidigital number, since it uses as much as digits as its factorization.

2046158449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21094514.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 2046158449 is about 45234.4829637744. The cubic root of 2046158449 is about 1269.5400920131.

The spelling of 2046158449 in words is "two billion, forty-six million, one hundred fifty-eight thousand, four hundred forty-nine".