2049651715 has 4 divisors (see below), whose sum is σ = 2459582064. Its totient is φ = 1639721368.

The previous prime is 2049651697. The next prime is 2049651719. The reversal of 2049651715 is 5171569402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2049651715 - 2¹⁹ = 2049127427 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2049651719) 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, 204965167 + ... + 204965176.

It is an arithmetic number, because the mean of its divisors is an integer number (614895516).

Almost surely, 2^2049651715 is an apocalyptic number.

2049651715 is a deficient number, since it is larger than the sum of its proper divisors (409930349).

2049651715 is an equidigital number, since it uses as much as digits as its factorization.

2049651715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409930348.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 2049651715 is about 45273.0793629062. The cubic root of 2049651715 is about 1270.2621475094.

The spelling of 2049651715 in words is "two billion, forty-nine million, six hundred fifty-one thousand, seven hundred fifteen".