2049488945 has 48 divisors (see below), whose sum is σ = 2996051328. Its totient is φ = 1339430400.

The previous prime is 2049488927. The next prime is 2049488951. The reversal of 2049488945 is 5498849402.

It is a happy number.

It is not a de Polignac number, because 2049488945 - 2¹² = 2049484849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2259182 + ... + 2260088.

It is an arithmetic number, because the mean of its divisors is an integer number (62417736).

Almost surely, 2^2049488945 is an apocalyptic number.

It is an amenable number.

2049488945 is a deficient number, since it is larger than the sum of its proper divisors (946562383).

2049488945 is a wasteful number, since it uses less digits than its factorization.

2049488945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The square root of 2049488945 is about 45271.2816805533. The cubic root of 2049488945 is about 1270.2285213017.

The spelling of 2049488945 in words is "two billion, forty-nine million, four hundred eighty-eight thousand, nine hundred forty-five".