6438284246761 has 6 divisors (see below), whose sum is σ = 6794975895162. Its totient is φ = 6099427180800.

The previous prime is 6438284246743. The next prime is 6438284246887. The reversal of 6438284246761 is 1676424828346.

It can be written as a sum of positive squares in only one way, i.e., 4604307435225 + 1833976811536 = 2145765^2 + 1354244^2 .

It is not a de Polignac number, because 6438284246761 - 2¹⁵ = 6438284213993 is a prime.

It is a super-2 number, since 2×6438284246761² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6438284246761.

It is not an unprimeable number, because it can be changed into a prime (6438284240761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8917290840 + ... + 8917291561.

It is an arithmetic number, because the mean of its divisors is an integer number (1132495982527).

Almost surely, 2^{6438284246761} is an apocalyptic number.

It is an amenable number.

6438284246761 is a deficient number, since it is larger than the sum of its proper divisors (356691648401).

6438284246761 is a wasteful number, since it uses less digits than its factorization.

6438284246761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17834582439 (or 17834582420 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 61.

The spelling of 6438284246761 in words is "six trillion, four hundred thirty-eight billion, two hundred eighty-four million, two hundred forty-six thousand, seven hundred sixty-one".