1342643001634 has 12 divisors (see below), whose sum is σ = 2213696519622. Its totient is φ = 610292273360.

The previous prime is 1342643001599. The next prime is 1342643001659. The reversal of 1342643001634 is 4361003462431.

It can be written as a sum of positive squares in only one way, i.e., 705846981609 + 636796020025 = 840147^2 + 797995^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1342643001593 and 1342643001602.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2774055547 + ... + 2774056030.

Almost surely, 2^{1342643001634} is an apocalyptic number.

1342643001634 is a deficient number, since it is larger than the sum of its proper divisors (871053517988).

1342643001634 is a wasteful number, since it uses less digits than its factorization.

1342643001634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548111601 (or 5548111590 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 1342643001634 in words is "one trillion, three hundred forty-two billion, six hundred forty-three million, one thousand, six hundred thirty-four".