6438858928741 has 32 divisors (see below), whose sum is σ = 7209264591360. Its totient is φ = 5714901835776.

The previous prime is 6438858928727. The next prime is 6438858928759. The reversal of 6438858928741 is 1478298588346.

It is a cyclic number.

It is not a de Polignac number, because 6438858928741 - 2¹⁷ = 6438858797669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6438858928241) 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 31 ways as a sum of consecutive naturals, for example, 326388420 + ... + 326408146.

It is an arithmetic number, because the mean of its divisors is an integer number (225289518480).

Almost surely, 2^{6438858928741} is an apocalyptic number.

It is an amenable number.

6438858928741 is a deficient number, since it is larger than the sum of its proper divisors (770405662619).

6438858928741 is a wasteful number, since it uses less digits than its factorization.

6438858928741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24333.

The product of its digits is 743178240, while the sum is 73.

The spelling of 6438858928741 in words is "six trillion, four hundred thirty-eight billion, eight hundred fifty-eight million, nine hundred twenty-eight thousand, seven hundred forty-one".