4520500649 has 4 divisors (see below), whose sum is σ = 5166286464. Its totient is φ = 3874714836.

The previous prime is 4520500643. The next prime is 4520500681. The reversal of 4520500649 is 9460050254.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9460050254 = 2 ⋅4730025127.

It is a cyclic number.

It is not a de Polignac number, because 4520500649 - 2¹⁶ = 4520435113 is a prime.

It is a super-2 number, since 2×4520500649² = 40869852235218842402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4520500643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322892897 + ... + 322892910.

It is an arithmetic number, because the mean of its divisors is an integer number (1291571616).

Almost surely, 2^4520500649 is an apocalyptic number.

It is an amenable number.

4520500649 is a deficient number, since it is larger than the sum of its proper divisors (645785815).

4520500649 is an equidigital number, since it uses as much as digits as its factorization.

4520500649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645785814.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 4520500649 is about 67234.6685051693. The cubic root of 4520500649 is about 1653.4669250640.

The spelling of 4520500649 in words is "four billion, five hundred twenty million, five hundred thousand, six hundred forty-nine".