426945069049 has 2 divisors, whose sum is σ = 426945069050. Its totient is φ = 426945069048.

The previous prime is 426945069043. The next prime is 426945069053. The reversal of 426945069049 is 940960549624.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421051743225 + 5893325824 = 648885^2 + 76768^2 .

It is a cyclic number.

It is not a de Polignac number, because 426945069049 - 2¹⁷ = 426944937977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426945068984 and 426945069002.

It is not a weakly prime, because it can be changed into another prime (426945069043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213472534524 + 213472534525.

It is an arithmetic number, because the mean of its divisors is an integer number (213472534525).

Almost surely, 2^426945069049 is an apocalyptic number.

It is an amenable number.

426945069049 is a deficient number, since it is larger than the sum of its proper divisors (1).

426945069049 is an equidigital number, since it uses as much as digits as its factorization.

426945069049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 426945069049 in words is "four hundred twenty-six billion, nine hundred forty-five million, sixty-nine thousand, forty-nine".