67407713431 has 4 divisors (see below), whose sum is σ = 67486186600. Its totient is φ = 67329240264.

The previous prime is 67407713407. The next prime is 67407713447. The reversal of 67407713431 is 13431770476.

67407713431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 67407713431 - 2²³ = 67399324823 is a prime.

It is a super-2 number, since 2×67407713431² (a number of 22 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 (67407713231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39235296 + ... + 39237013.

It is an arithmetic number, because the mean of its divisors is an integer number (16871546650).

Almost surely, 2^67407713431 is an apocalyptic number.

67407713431 is a deficient number, since it is larger than the sum of its proper divisors (78473169).

67407713431 is an equidigital number, since it uses as much as digits as its factorization.

67407713431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78473168.

The product of its (nonzero) digits is 296352, while the sum is 43.

The spelling of 67407713431 in words is "sixty-seven billion, four hundred seven million, seven hundred thirteen thousand, four hundred thirty-one".