13143456422 has 4 divisors (see below), whose sum is σ = 19715184636. Its totient is φ = 6571728210.

The previous prime is 13143456407. The next prime is 13143456427. The reversal of 13143456422 is 22465434131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13143456427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3285864104 + ... + 3285864107.

It is an arithmetic number, because the mean of its divisors is an integer number (4928796159).

Almost surely, 2^13143456422 is an apocalyptic number.

13143456422 is a deficient number, since it is larger than the sum of its proper divisors (6571728214).

13143456422 is an equidigital number, since it uses as much as digits as its factorization.

13143456422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6571728213.

The product of its digits is 69120, while the sum is 35.

The spelling of 13143456422 in words is "thirteen billion, one hundred forty-three million, four hundred fifty-six thousand, four hundred twenty-two".