6738367487431 has 4 divisors (see below), whose sum is σ = 6779707165432. Its totient is φ = 6697027809432.

The previous prime is 6738367487393. The next prime is 6738367487459. The reversal of 6738367487431 is 1347847638376.

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

It is a cyclic number.

It is not a de Polignac number, because 6738367487431 - 2⁷ = 6738367487303 is a prime.

It is a super-2 number, since 2×6738367487431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6738367487491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20669838756 + ... + 20669839081.

It is an arithmetic number, because the mean of its divisors is an integer number (1694926791358).

Almost surely, 2^{6738367487431} is an apocalyptic number.

6738367487431 is a deficient number, since it is larger than the sum of its proper divisors (41339678001).

6738367487431 is a wasteful number, since it uses less digits than its factorization.

6738367487431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41339678000.

The product of its digits is 341397504, while the sum is 67.

The spelling of 6738367487431 in words is "six trillion, seven hundred thirty-eight billion, three hundred sixty-seven million, four hundred eighty-seven thousand, four hundred thirty-one".