2993131979933 has 4 divisors (see below), whose sum is σ = 2993181107868. Its totient is φ = 2993082852000.

The previous prime is 2993131979891. The next prime is 2993131979951. The reversal of 2993131979933 is 3399791313992.

It is a happy number.

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 836469380569 + 2156662599364 = 914587^2 + 1468558^2 .

It is a cyclic number.

It is not a de Polignac number, because 2993131979933 - 2¹² = 2993131975837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2993131979993) 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 3 ways as a sum of consecutive naturals, for example, 24472466 + ... + 24594467.

It is an arithmetic number, because the mean of its divisors is an integer number (748295276967).

Almost surely, 2^{2993131979933} is an apocalyptic number.

It is an amenable number.

2993131979933 is a deficient number, since it is larger than the sum of its proper divisors (49127935).

2993131979933 is an equidigital number, since it uses as much as digits as its factorization.

2993131979933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49127934.

The product of its digits is 66961566, while the sum is 68.

The spelling of 2993131979933 in words is "two trillion, nine hundred ninety-three billion, one hundred thirty-one million, nine hundred seventy-nine thousand, nine hundred thirty-three".