2992126942081 has 4 divisors (see below), whose sum is σ = 2993833804612. Its totient is φ = 2990420079552.

The previous prime is 2992126942069. The next prime is 2992126942127. The reversal of 2992126942081 is 1802496212992.

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 22074530625 + 2970052411456 = 148575^2 + 1723384^2 .

It is a cyclic number.

It is not a de Polignac number, because 2992126942081 - 2¹⁵ = 2992126909313 is a prime.

It is a super-2 number, since 2×2992126942081² (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 (2992126940081) 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, 853428636 + ... + 853432141.

It is an arithmetic number, because the mean of its divisors is an integer number (748458451153).

Almost surely, 2^{2992126942081} is an apocalyptic number.

It is an amenable number.

2992126942081 is a deficient number, since it is larger than the sum of its proper divisors (1706862531).

2992126942081 is a wasteful number, since it uses less digits than its factorization.

2992126942081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706862530.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 2992126942081 in words is "two trillion, nine hundred ninety-two billion, one hundred twenty-six million, nine hundred forty-two thousand, eighty-one".