3992246874881 has 4 divisors (see below), whose sum is σ = 4031774071764. Its totient is φ = 3952719678000.

The previous prime is 3992246874829. The next prime is 3992246874907. The reversal of 3992246874881 is 1884786422993.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3668240020225 + 324006854656 = 1915265^2 + 569216^2 .

It is a cyclic number.

It is not a de Polignac number, because 3992246874881 - 2¹⁴ = 3992246858497 is a prime.

It is a super-2 number, since 2×3992246874881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3992246274881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19763598290 + ... + 19763598491.

It is an arithmetic number, because the mean of its divisors is an integer number (1007943517941).

Almost surely, 2^{3992246874881} is an apocalyptic number.

It is an amenable number.

3992246874881 is a deficient number, since it is larger than the sum of its proper divisors (39527196883).

3992246874881 is a wasteful number, since it uses less digits than its factorization.

3992246874881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39527196882.

The product of its digits is 334430208, while the sum is 71.

The spelling of 3992246874881 in words is "three trillion, nine hundred ninety-two billion, two hundred forty-six million, eight hundred seventy-four thousand, eight hundred eighty-one".