6478233251 has 4 divisors (see below), whose sum is σ = 7403695152. Its totient is φ = 5552771352.

The previous prime is 6478233227. The next prime is 6478233269. The reversal of 6478233251 is 1523328746.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1523328746 = 2 ⋅761664373.

It is a cyclic number.

It is not a de Polignac number, because 6478233251 - 2⁶ = 6478233187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6478233199 and 6478233208.

It is not an unprimeable number, because it can be changed into a prime (6478233221) 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, 462730940 + ... + 462730953.

It is an arithmetic number, because the mean of its divisors is an integer number (1850923788).

Almost surely, 2^6478233251 is an apocalyptic number.

6478233251 is a deficient number, since it is larger than the sum of its proper divisors (925461901).

6478233251 is an equidigital number, since it uses as much as digits as its factorization.

6478233251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925461900.

The product of its digits is 241920, while the sum is 41.

The square root of 6478233251 is about 80487.4726339447. The cubic root of 6478233251 is about 1864.1700529886.

The spelling of 6478233251 in words is "six billion, four hundred seventy-eight million, two hundred thirty-three thousand, two hundred fifty-one".