6448250801 has 4 divisors (see below), whose sum is σ = 6460628004. Its totient is φ = 6435873600.

The previous prime is 6448250797. The next prime is 6448250857. The reversal of 6448250801 is 1080528446.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1878355600 + 4569895201 = 43340^2 + 67601^2 .

It is a cyclic number.

It is not a de Polignac number, because 6448250801 - 2² = 6448250797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6448250881) 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, 6187820 + ... + 6188861.

It is an arithmetic number, because the mean of its divisors is an integer number (1615157001).

Almost surely, 2^6448250801 is an apocalyptic number.

It is an amenable number.

6448250801 is a deficient number, since it is larger than the sum of its proper divisors (12377203).

6448250801 is a wasteful number, since it uses less digits than its factorization.

6448250801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12377202.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 6448250801 is about 80301.0012453145. The cubic root of 6448250801 is about 1861.2896979925.

The spelling of 6448250801 in words is "six billion, four hundred forty-eight million, two hundred fifty thousand, eight hundred one".