424756228049 has 4 divisors (see below), whose sum is σ = 428515132836. Its totient is φ = 420997323264.

The previous prime is 424756228037. The next prime is 424756228063. The reversal of 424756228049 is 940822657424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9979011025 + 414777217024 = 99895^2 + 644032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424756228049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424756228019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1879452224 + ... + 1879452449.

It is an arithmetic number, because the mean of its divisors is an integer number (107128783209).

Almost surely, 2^424756228049 is an apocalyptic number.

It is an amenable number.

424756228049 is a deficient number, since it is larger than the sum of its proper divisors (3758904787).

424756228049 is a wasteful number, since it uses less digits than its factorization.

424756228049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758904786.

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 424756228049 in words is "four hundred twenty-four billion, seven hundred fifty-six million, two hundred twenty-eight thousand, forty-nine".