4815715449 has 4 divisors (see below), whose sum is σ = 6420953936. Its totient is φ = 3210476964.

The previous prime is 4815715441. The next prime is 4815715453. The reversal of 4815715449 is 9445175184.

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 not a de Polignac number, because 4815715449 - 2³ = 4815715441 is a prime.

It is a super-2 number, since 2×4815715449² = 46382230571474543202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4815715398 and 4815715407.

It is not an unprimeable number, because it can be changed into a prime (4815715441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802619239 + ... + 802619244.

It is an arithmetic number, because the mean of its divisors is an integer number (1605238484).

Almost surely, 2^4815715449 is an apocalyptic number.

It is an amenable number.

4815715449 is a deficient number, since it is larger than the sum of its proper divisors (1605238487).

4815715449 is a wasteful number, since it uses less digits than its factorization.

4815715449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605238486.

The product of its digits is 806400, while the sum is 48.

The square root of 4815715449 is about 69395.3561054340. The cubic root of 4815715449 is about 1688.7042866483.

The spelling of 4815715449 in words is "four billion, eight hundred fifteen million, seven hundred fifteen thousand, four hundred forty-nine".