429924017449 has 2 divisors, whose sum is σ = 429924017450. Its totient is φ = 429924017448.

The previous prime is 429924017407. The next prime is 429924017489. The reversal of 429924017449 is 944710429924.

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., 428389885225 + 1534132224 = 654515^2 + 39168^2 .

It is a cyclic number.

It is not a de Polignac number, because 429924017449 - 2¹⁷ = 429923886377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 429924017449.

It is not a weakly prime, because it can be changed into another prime (429924017489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214962008724 + 214962008725.

It is an arithmetic number, because the mean of its divisors is an integer number (214962008725).

Almost surely, 2^429924017449 is an apocalyptic number.

It is an amenable number.

429924017449 is a deficient number, since it is larger than the sum of its proper divisors (1).

429924017449 is an equidigital number, since it uses as much as digits as its factorization.

429924017449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 429924017449 in words is "four hundred twenty-nine billion, nine hundred twenty-four million, seventeen thousand, four hundred forty-nine".