1351644545002 has 16 divisors (see below), whose sum is σ = 2084005719432. Its totient is φ = 657088487680.

The previous prime is 1351644544981. The next prime is 1351644545021. The reversal of 1351644545002 is 2005454461531.

It can be written as a sum of positive squares in 4 ways, for example, as 997799212201 + 353845332801 = 998899^2 + 594849^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28104763 + ... + 28152814.

Almost surely, 2^{1351644545002} is an apocalyptic number.

1351644545002 is a deficient number, since it is larger than the sum of its proper divisors (732361174430).

1351644545002 is a wasteful number, since it uses less digits than its factorization.

1351644545002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56257913.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 1351644545002 in words is "one trillion, three hundred fifty-one billion, six hundred forty-four million, five hundred forty-five thousand, two".