2011912900993 has 8 divisors (see below), whose sum is σ = 2023760711016. Its totient is φ = 2000067600000.

The previous prime is 2011912900979. The next prime is 2011912901039. The reversal of 2011912900993 is 3990092191102.

It can be written as a sum of positive squares in 4 ways, for example, as 209574430849 + 1802338470144 = 457793^2 + 1342512^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011912900993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011912903993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993493 + ... + 2238493.

It is an arithmetic number, because the mean of its divisors is an integer number (252970088877).

Almost surely, 2^{2011912900993} is an apocalyptic number.

It is an amenable number.

2011912900993 is a deficient number, since it is larger than the sum of its proper divisors (11847810023).

2011912900993 is a wasteful number, since it uses less digits than its factorization.

2011912900993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254515.

The product of its (nonzero) digits is 78732, while the sum is 46.

The spelling of 2011912900993 in words is "two trillion, eleven billion, nine hundred twelve million, nine hundred thousand, nine hundred ninety-three".