4068706567431 has 48 divisors (see below), whose sum is σ = 6215519821952. Its totient is φ = 2363427253440.

The previous prime is 4068706567379. The next prime is 4068706567441. The reversal of 4068706567431 is 1347656078604.

It is a de Polignac number, because none of the positive numbers 2^k-4068706567431 is a prime.

It is a super-2 number, since 2×4068706567431² (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 (4068706567441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1360825 + ... + 3160578.

Almost surely, 2^{4068706567431} is an apocalyptic number.

4068706567431 is a deficient number, since it is larger than the sum of its proper divisors (2146813254521).

4068706567431 is a wasteful number, since it uses less digits than its factorization.

4068706567431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4521532 (or 4521521 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 4068706567431 in words is "four trillion, sixty-eight billion, seven hundred six million, five hundred sixty-seven thousand, four hundred thirty-one".