49900081201 has 2 divisors, whose sum is σ = 49900081202. Its totient is φ = 49900081200.

The previous prime is 49900081199. The next prime is 49900081213. The reversal of 49900081201 is 10218000994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44278680625 + 5621400576 = 210425^2 + 74976^2 .

It is a cyclic number.

It is not a de Polignac number, because 49900081201 - 2¹ = 49900081199 is a prime.

Together with 49900081199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (49900081241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24950040600 + 24950040601.

It is an arithmetic number, because the mean of its divisors is an integer number (24950040601).

Almost surely, 2^49900081201 is an apocalyptic number.

It is an amenable number.

49900081201 is a deficient number, since it is larger than the sum of its proper divisors (1).

49900081201 is an equidigital number, since it uses as much as digits as its factorization.

49900081201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 49900081201 in words is "forty-nine billion, nine hundred million, eighty-one thousand, two hundred one".