743872713431 has 2 divisors, whose sum is σ = 743872713432. Its totient is φ = 743872713430.

The previous prime is 743872713413. The next prime is 743872713481. The reversal of 743872713431 is 134317278347.

743872713431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (743872713413) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (743872713481) can be obtained adding 743872713431 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 743872713431 - 2³⁴ = 726692844247 is a prime.

It is a super-2 number, since 2×743872713431² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 743872713431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (743872713481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371936356715 + 371936356716.

It is an arithmetic number, because the mean of its divisors is an integer number (371936356716).

Almost surely, 2^743872713431 is an apocalyptic number.

743872713431 is a deficient number, since it is larger than the sum of its proper divisors (1).

743872713431 is an equidigital number, since it uses as much as digits as its factorization.

743872713431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2370816, while the sum is 50.

The spelling of 743872713431 in words is "seven hundred forty-three billion, eight hundred seventy-two million, seven hundred thirteen thousand, four hundred thirty-one".