426621550412201 has 2 divisors, whose sum is σ = 426621550412202. Its totient is φ = 426621550412200.

The previous prime is 426621550412087. The next prime is 426621550412237. The reversal of 426621550412201 is 102214055126624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224719617403801 + 201901933008400 = 14990651^2 + 14209220^2 .

It is a cyclic number.

It is not a de Polignac number, because 426621550412201 - 2¹⁸ = 426621550150057 is a prime.

It is a super-2 number, since 2×426621550412201² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (426621550412261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213310775206100 + 213310775206101.

It is an arithmetic number, because the mean of its divisors is an integer number (213310775206101).

Almost surely, 2^{426621550412201} is an apocalyptic number.

It is an amenable number.

426621550412201 is a deficient number, since it is larger than the sum of its proper divisors (1).

426621550412201 is an equidigital number, since it uses as much as digits as its factorization.

426621550412201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 426621550412201 in words is "four hundred twenty-six trillion, six hundred twenty-one billion, five hundred fifty million, four hundred twelve thousand, two hundred one".