2049817237 has 18 divisors (see below), whose sum is σ = 2291533062. Its totient is φ = 1822673664.

The previous prime is 2049817193. The next prime is 2049817249. The reversal of 2049817237 is 7327189402.

It can be written as a sum of positive squares in 9 ways, for example, as 1465434961 + 584382276 = 38281^2 + 24174^2 .

It is not a de Polignac number, because 2049817237 - 2¹¹ = 2049815189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2049817193 and 2049817202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049818237) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4733773 + ... + 4734205.

Almost surely, 2^2049817237 is an apocalyptic number.

It is an amenable number.

2049817237 is a deficient number, since it is larger than the sum of its proper divisors (241715825).

2049817237 is an frugal number, since it uses more digits than its factorization.

2049817237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 2049817237 is about 45274.9073660013. The cubic root of 2049817237 is about 1270.2963404197.

The spelling of 2049817237 in words is "two billion, forty-nine million, eight hundred seventeen thousand, two hundred thirty-seven".