1345641426513 has 6 divisors (see below), whose sum is σ = 1943704282754. Its totient is φ = 897094284336.

The previous prime is 1345641426497. The next prime is 1345641426533. The reversal of 1345641426513 is 3156241465431.

1345641426513 is a `hidden beast` number, since 1 + 3 + 4 + 56 + 41 + 42 + 6 + 513 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1343299544064 + 2341882449 = 1159008^2 + 48393^2 .

It is not a de Polignac number, because 1345641426513 - 2⁴ = 1345641426497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345641426533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74757857020 + ... + 74757857037.

Almost surely, 2^{1345641426513} is an apocalyptic number.

It is an amenable number.

1345641426513 is a deficient number, since it is larger than the sum of its proper divisors (598062856241).

1345641426513 is a wasteful number, since it uses less digits than its factorization.

1345641426513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149515714063 (or 149515714060 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 1345641426513 in words is "one trillion, three hundred forty-five billion, six hundred forty-one million, four hundred twenty-six thousand, five hundred thirteen".