2011203632489 has 2 divisors, whose sum is σ = 2011203632490. Its totient is φ = 2011203632488.

The previous prime is 2011203632423. The next prime is 2011203632539. The reversal of 2011203632489 is 9842363021102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1945444723264 + 65758909225 = 1394792^2 + 256435^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011203632489 - 2²⁰ = 2011202583913 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011203632419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005601816244 + 1005601816245.

It is an arithmetic number, because the mean of its divisors is an integer number (1005601816245).

Almost surely, 2^{2011203632489} is an apocalyptic number.

It is an amenable number.

2011203632489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011203632489 is an equidigital number, since it uses as much as digits as its factorization.

2011203632489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 2011203632489 in words is "two trillion, eleven billion, two hundred three million, six hundred thirty-two thousand, four hundred eighty-nine".