13545709822 has 4 divisors (see below), whose sum is σ = 20318564736. Its totient is φ = 6772854910.

The previous prime is 13545709781. The next prime is 13545709823. The reversal of 13545709822 is 22890754531.

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 (13545709823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3386427454 + ... + 3386427457.

It is an arithmetic number, because the mean of its divisors is an integer number (5079641184).

Almost surely, 2^13545709822 is an apocalyptic number.

13545709822 is a deficient number, since it is larger than the sum of its proper divisors (6772854914).

13545709822 is an equidigital number, since it uses as much as digits as its factorization.

13545709822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6772854913.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 13545709822 in words is "thirteen billion, five hundred forty-five million, seven hundred nine thousand, eight hundred twenty-two".