49933022981 has 2 divisors, whose sum is σ = 49933022982. Its totient is φ = 49933022980.

The previous prime is 49933022927. The next prime is 49933022983. The reversal of 49933022981 is 18922033994.

49933022981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49326189025 + 606833956 = 222095^2 + 24634^2 .

It is a cyclic number.

It is not a de Polignac number, because 49933022981 - 2⁶ = 49933022917 is a prime.

It is a super-2 number, since 2×49933022981² (a number of 22 digits) contains 22 as substring.

Together with 49933022983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49933022983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24966511490 + 24966511491.

It is an arithmetic number, because the mean of its divisors is an integer number (24966511491).

Almost surely, 2^49933022981 is an apocalyptic number.

It is an amenable number.

49933022981 is a deficient number, since it is larger than the sum of its proper divisors (1).

49933022981 is an equidigital number, since it uses as much as digits as its factorization.

49933022981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 49933022981 in words is "forty-nine billion, nine hundred thirty-three million, twenty-two thousand, nine hundred eighty-one".