63791849 has 4 divisors (see below), whose sum is σ = 69591120. Its totient is φ = 57992580.

The previous prime is 63791813. The next prime is 63791863. The reversal of 63791849 is 94819736.

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 63791849 - 2²⁰ = 62743273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63791869) 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, 2899619 + ... + 2899640.

It is an arithmetic number, because the mean of its divisors is an integer number (17397780).

Almost surely, 2^63791849 is an apocalyptic number.

It is an amenable number.

63791849 is a deficient number, since it is larger than the sum of its proper divisors (5799271).

63791849 is a wasteful number, since it uses less digits than its factorization.

63791849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5799270.

The product of its digits is 326592, while the sum is 47.

The square root of 63791849 is about 7986.9799674220. The cubic root of 63791849 is about 399.5658811057.

It can be divided in two parts, 6379 and 1849, that added together give a palindrome (8228).

The spelling of 63791849 in words is "sixty-three million, seven hundred ninety-one thousand, eight hundred forty-nine".