52021600949 has 2 divisors, whose sum is σ = 52021600950. Its totient is φ = 52021600948.

The previous prime is 52021600933. The next prime is 52021600979. The reversal of 52021600949 is 94900612025.

52021600949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38708595025 + 13313005924 = 196745^2 + 115382^2 .

It is a cyclic number.

It is not a de Polignac number, because 52021600949 - 2⁴ = 52021600933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52021600979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26010800474 + 26010800475.

It is an arithmetic number, because the mean of its divisors is an integer number (26010800475).

Almost surely, 2^52021600949 is an apocalyptic number.

It is an amenable number.

52021600949 is a deficient number, since it is larger than the sum of its proper divisors (1).

52021600949 is an equidigital number, since it uses as much as digits as its factorization.

52021600949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 52021600949 in words is "fifty-two billion, twenty-one million, six hundred thousand, nine hundred forty-nine".