3992892487834 has 4 divisors (see below), whose sum is σ = 5989338731754. Its totient is φ = 1996446243916.

The previous prime is 3992892487811. The next prime is 3992892487879. The reversal of 3992892487834 is 4387842982993.

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., 3686035209025 + 306857278809 = 1919905^2 + 553947^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998223121957 + ... + 998223121960.

Almost surely, 2^{3992892487834} is an apocalyptic number.

3992892487834 is a deficient number, since it is larger than the sum of its proper divisors (1996446243920).

3992892487834 is a wasteful number, since it uses less digits than its factorization.

3992892487834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996446243919.

The product of its digits is 1504935936, while the sum is 76.

The spelling of 3992892487834 in words is "three trillion, nine hundred ninety-two billion, eight hundred ninety-two million, four hundred eighty-seven thousand, eight hundred thirty-four".