1896551932436 has 12 divisors (see below), whose sum is σ = 3793103864928. Its totient is φ = 812807971032.

The previous prime is 1896551932351. The next prime is 1896551932493. The reversal of 1896551932436 is 6342391556981.

1896551932436 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33866998766 + ... + 33866998821.

It is an arithmetic number, because the mean of its divisors is an integer number (316091988744).

Almost surely, 2^{1896551932436} is an apocalyptic number.

It is an amenable number.

1896551932436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1896551932436 is a wasteful number, since it uses less digits than its factorization.

1896551932436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67733997598 (or 67733997596 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 62.

The spelling of 1896551932436 in words is "one trillion, eight hundred ninety-six billion, five hundred fifty-one million, nine hundred thirty-two thousand, four hundred thirty-six".