2132801833394 has 4 divisors (see below), whose sum is σ = 3199202750094. Its totient is φ = 1066400916696.

The previous prime is 2132801833369. The next prime is 2132801833397. The reversal of 2132801833394 is 4933381082312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1738903755625 + 393898077769 = 1318675^2 + 627613^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2132801833397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533200458347 + ... + 533200458350.

Almost surely, 2^{2132801833394} is an apocalyptic number.

2132801833394 is a deficient number, since it is larger than the sum of its proper divisors (1066400916700).

2132801833394 is a wasteful number, since it uses less digits than its factorization.

2132801833394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066400916699.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 2132801833394 in words is "two trillion, one hundred thirty-two billion, eight hundred one million, eight hundred thirty-three thousand, three hundred ninety-four".