5234405950021 has 2 divisors, whose sum is σ = 5234405950022. Its totient is φ = 5234405950020.

The previous prime is 5234405949973. The next prime is 5234405950051. The reversal of 5234405950021 is 1200595044325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5230597702500 + 3808247521 = 2287050^2 + 61711^2 .

It is a cyclic number.

It is not a de Polignac number, because 5234405950021 - 2¹³ = 5234405941829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5234405950051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2617202975010 + 2617202975011.

It is an arithmetic number, because the mean of its divisors is an integer number (2617202975011).

Almost surely, 2^{5234405950021} is an apocalyptic number.

It is an amenable number.

5234405950021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5234405950021 is an equidigital number, since it uses as much as digits as its factorization.

5234405950021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 5234405950021 in words is "five trillion, two hundred thirty-four billion, four hundred five million, nine hundred fifty thousand, twenty-one".