8448213503 has 4 divisors (see below), whose sum is σ = 8739531240. Its totient is φ = 8156895768.

The previous prime is 8448213497. The next prime is 8448213509. The reversal of 8448213503 is 3053128448.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (8448213497) and next prime (8448213509).

It is a cyclic number.

It is not a de Polignac number, because 8448213503 - 2⁶ = 8448213439 is a prime.

It is a super-2 number, since 2×8448213503² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8448213509) 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, 145658825 + ... + 145658882.

It is an arithmetic number, because the mean of its divisors is an integer number (2184882810).

Almost surely, 2^8448213503 is an apocalyptic number.

8448213503 is a deficient number, since it is larger than the sum of its proper divisors (291317737).

8448213503 is a wasteful number, since it uses less digits than its factorization.

8448213503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291317736.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 8448213503 is about 91914.1637779510. The cubic root of 8448213503 is about 2036.6745049341.

The spelling of 8448213503 in words is "eight billion, four hundred forty-eight million, two hundred thirteen thousand, five hundred three".