1350734433681 has 16 divisors (see below), whose sum is σ = 1805135552640. Its totient is φ = 898412613120.

The previous prime is 1350734433667. The next prime is 1350734433689. The reversal of 1350734433681 is 1863344370531.

It is not a de Polignac number, because 1350734433681 - 2⁵ = 1350734433649 is a prime.

It is a super-2 number, since 2×1350734433681² (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 1350734433681.

It is not an unprimeable number, because it can be changed into a prime (1350734433689) 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, 4640791 + ... + 4923251.

It is an arithmetic number, because the mean of its divisors is an integer number (112820972040).

Almost surely, 2^{1350734433681} is an apocalyptic number.

It is an amenable number.

1350734433681 is a deficient number, since it is larger than the sum of its proper divisors (454401118959).

1350734433681 is a wasteful number, since it uses less digits than its factorization.

1350734433681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286136.

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 1350734433681 in words is "one trillion, three hundred fifty billion, seven hundred thirty-four million, four hundred thirty-three thousand, six hundred eighty-one".