429459063521 has 2 divisors, whose sum is σ = 429459063522. Its totient is φ = 429459063520.

The previous prime is 429459063511. The next prime is 429459063541. The reversal of 429459063521 is 125360954924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229771629025 + 199687434496 = 479345^2 + 446864^2 .

It is a cyclic number.

It is not a de Polignac number, because 429459063521 - 2²⁶ = 429391954657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 429459063521.

It is not a weakly prime, because it can be changed into another prime (429459063511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214729531760 + 214729531761.

It is an arithmetic number, because the mean of its divisors is an integer number (214729531761).

Almost surely, 2^429459063521 is an apocalyptic number.

It is an amenable number.

429459063521 is a deficient number, since it is larger than the sum of its proper divisors (1).

429459063521 is an equidigital number, since it uses as much as digits as its factorization.

429459063521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 429459063521 in words is "four hundred twenty-nine billion, four hundred fifty-nine million, sixty-three thousand, five hundred twenty-one".