6448922371 has 4 divisors (see below), whose sum is σ = 6558226200. Its totient is φ = 6339618544.

The previous prime is 6448922369. The next prime is 6448922387. The reversal of 6448922371 is 1732298446.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1732298446 = 2 ⋅866149223.

It is a cyclic number.

It is not a de Polignac number, because 6448922371 - 2¹ = 6448922369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6448922351) 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, 54651826 + ... + 54651943.

It is an arithmetic number, because the mean of its divisors is an integer number (1639556550).

Almost surely, 2^6448922371 is an apocalyptic number.

6448922371 is a deficient number, since it is larger than the sum of its proper divisors (109303829).

6448922371 is a wasteful number, since it uses less digits than its factorization.

6448922371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109303828.

The product of its digits is 580608, while the sum is 46.

The square root of 6448922371 is about 80305.1827156878. The cubic root of 6448922371 is about 1861.3543120493.

The spelling of 6448922371 in words is "six billion, four hundred forty-eight million, nine hundred twenty-two thousand, three hundred seventy-one".