3992458881121 has 8 divisors (see below), whose sum is σ = 4091528141064. Its totient is φ = 3893470202880.

The previous prime is 3992458881119. The next prime is 3992458881197. The reversal of 3992458881121 is 1211888542993.

It can be written as a sum of positive squares in 4 ways, for example, as 412246180096 + 3580212701025 = 642064^2 + 1892145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3992458881121 - 2¹ = 3992458881119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3992458881121.

It is not an unprimeable number, because it can be changed into a prime (3992458887121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20045100 + ... + 20243293.

It is an arithmetic number, because the mean of its divisors is an integer number (511441017633).

Almost surely, 2^{3992458881121} is an apocalyptic number.

It is an amenable number.

3992458881121 is a deficient number, since it is larger than the sum of its proper divisors (99069259943).

3992458881121 is a wasteful number, since it uses less digits than its factorization.

3992458881121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40290851.

The product of its digits is 9953280, while the sum is 61.

The spelling of 3992458881121 in words is "three trillion, nine hundred ninety-two billion, four hundred fifty-eight million, eight hundred eighty-one thousand, one hundred twenty-one".