426004199429 has 2 divisors, whose sum is σ = 426004199430. Its totient is φ = 426004199428.

The previous prime is 426004199351. The next prime is 426004199443. The reversal of 426004199429 is 924991400624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390596250529 + 35407948900 = 624977^2 + 188170^2 .

It is a cyclic number.

It is not a de Polignac number, because 426004199429 - 2³⁶ = 357284722693 is a prime.

It is a super-2 number, since 2×426004199429² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426004199479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213002099714 + 213002099715.

It is an arithmetic number, because the mean of its divisors is an integer number (213002099715).

Almost surely, 2^426004199429 is an apocalyptic number.

It is an amenable number.

426004199429 is a deficient number, since it is larger than the sum of its proper divisors (1).

426004199429 is an equidigital number, since it uses as much as digits as its factorization.

426004199429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 426004199429 in words is "four hundred twenty-six billion, four million, one hundred ninety-nine thousand, four hundred twenty-nine".