6450338767251 has 16 divisors (see below), whose sum is σ = 8625093673248. Its totient is φ = 4287917568000.

The previous prime is 6450338767217. The next prime is 6450338767291. The reversal of 6450338767251 is 1527678330546.

It is not a de Polignac number, because 6450338767251 - 2⁷ = 6450338767123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6450338767191 and 6450338767200.

It is not an unprimeable number, because it can be changed into a prime (6450338767211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442051 + ... + 3618851.

It is an arithmetic number, because the mean of its divisors is an integer number (539068354578).

Almost surely, 2^{6450338767251} is an apocalyptic number.

6450338767251 is a deficient number, since it is larger than the sum of its proper divisors (2174754905997).

6450338767251 is a wasteful number, since it uses less digits than its factorization.

6450338767251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178742.

The product of its (nonzero) digits is 25401600, while the sum is 57.

The spelling of 6450338767251 in words is "six trillion, four hundred fifty billion, three hundred thirty-eight million, seven hundred sixty-seven thousand, two hundred fifty-one".