1363542222891 has 16 divisors (see below), whose sum is σ = 1818872733440. Its totient is φ = 908620040160.

The previous prime is 1363542222881. The next prime is 1363542222919. The reversal of 1363542222891 is 1982222453631.

It is not a de Polignac number, because 1363542222891 - 2⁵ = 1363542222859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1363542222891.

It is not an unprimeable number, because it can be changed into a prime (1363542222841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80289621 + ... + 80306601.

It is an arithmetic number, because the mean of its divisors is an integer number (113679545840).

Almost surely, 2^{1363542222891} is an apocalyptic number.

1363542222891 is a deficient number, since it is larger than the sum of its proper divisors (455330510549).

1363542222891 is a wasteful number, since it uses less digits than its factorization.

1363542222891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27426.

The product of its digits is 1244160, while the sum is 48.

The spelling of 1363542222891 in words is "one trillion, three hundred sixty-three billion, five hundred forty-two million, two hundred twenty-two thousand, eight hundred ninety-one".