1864505733132 has 48 divisors (see below), whose sum is σ = 4973066848512. Its totient is φ = 532603256640.

The previous prime is 1864505733121. The next prime is 1864505733169. The reversal of 1864505733132 is 2313375054681.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1947294 + ... + 2742437.

It is an arithmetic number, because the mean of its divisors is an integer number (103605559344).

Almost surely, 2^{1864505733132} is an apocalyptic number.

1864505733132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1864505733132 is an abundant number, since it is smaller than the sum of its proper divisors (3108561115380).

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

1864505733132 is a wasteful number, since it uses less digits than its factorization.

1864505733132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694478 (or 4694476 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 1864505733132 in words is "one trillion, eight hundred sixty-four billion, five hundred five million, seven hundred thirty-three thousand, one hundred thirty-two".