1965359487452 has 24 divisors (see below), whose sum is σ = 3441980479392. Its totient is φ = 981936705600.

The previous prime is 1965359487397. The next prime is 1965359487457. The reversal of 1965359487452 is 2547849535691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1965359487457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43593002 + ... + 43638062.

It is an arithmetic number, because the mean of its divisors is an integer number (143415853308).

Almost surely, 2^{1965359487452} is an apocalyptic number.

It is an amenable number.

1965359487452 is a deficient number, since it is larger than the sum of its proper divisors (1476620991940).

1965359487452 is a wasteful number, since it uses less digits than its factorization.

1965359487452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53069 (or 53067 counting only the distinct ones).

The product of its digits is 326592000, while the sum is 68.

The spelling of 1965359487452 in words is "one trillion, nine hundred sixty-five billion, three hundred fifty-nine million, four hundred eighty-seven thousand, four hundred fifty-two".