2045988049 has 4 divisors (see below), whose sum is σ = 2338272064. Its totient is φ = 1753704036.

The previous prime is 2045988037. The next prime is 2045988059. The reversal of 2045988049 is 9408895402.

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 not a de Polignac number, because 2045988049 - 2²¹ = 2043890897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045987993 and 2045988011.

It is not an unprimeable number, because it can be changed into a prime (2045988059) 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, 146141997 + ... + 146142010.

It is an arithmetic number, because the mean of its divisors is an integer number (584568016).

Almost surely, 2^2045988049 is an apocalyptic number.

It is an amenable number.

2045988049 is a deficient number, since it is larger than the sum of its proper divisors (292284015).

2045988049 is an equidigital number, since it uses as much as digits as its factorization.

2045988049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292284014.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 2045988049 is about 45232.5994057383. The cubic root of 2045988049 is about 1269.5048494447.

The spelling of 2045988049 in words is "two billion, forty-five million, nine hundred eighty-eight thousand, forty-nine".