4257641429 has 12 divisors (see below), whose sum is σ = 4549708800. Its totient is φ = 3973273128.

The previous prime is 4257641419. The next prime is 4257641447. The reversal of 4257641429 is 9241467524.

It is a de Polignac number, because none of the positive numbers 2^k-4257641429 is a prime.

It is a Duffinian number.

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 4257641429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257641419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60332 + ... + 110250.

It is an arithmetic number, because the mean of its divisors is an integer number (379142400).

Almost surely, 2^4257641429 is an apocalyptic number.

It is an amenable number.

4257641429 is a deficient number, since it is larger than the sum of its proper divisors (292067371).

4257641429 is an equidigital number, since it uses as much as digits as its factorization.

4257641429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50072 (or 50005 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 4257641429 is about 65250.6048171203. The cubic root of 4257641429 is about 1620.7761140447.

The spelling of 4257641429 in words is "four billion, two hundred fifty-seven million, six hundred forty-one thousand, four hundred twenty-nine".