2049767617 has 4 divisors (see below), whose sum is σ = 2052956080. Its totient is φ = 2046579156.

The previous prime is 2049767597. The next prime is 2049767651. The reversal of 2049767617 is 7167679402.

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 a cyclic number.

It is not a de Polignac number, because 2049767617 - 2¹¹ = 2049765569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2049767017) 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, 1593267 + ... + 1594552.

It is an arithmetic number, because the mean of its divisors is an integer number (513239020).

Almost surely, 2^2049767617 is an apocalyptic number.

It is an amenable number.

2049767617 is a deficient number, since it is larger than the sum of its proper divisors (3188463).

2049767617 is an equidigital number, since it uses as much as digits as its factorization.

2049767617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188462.

The product of its (nonzero) digits is 889056, while the sum is 49.

The square root of 2049767617 is about 45274.3593770249. The cubic root of 2049767617 is about 1270.2860903005.

The spelling of 2049767617 in words is "two billion, forty-nine million, seven hundred sixty-seven thousand, six hundred seventeen".