457644955129 has 4 divisors (see below), whose sum is σ = 457730549584. Its totient is φ = 457559360676.

The previous prime is 457644955099. The next prime is 457644955147. The reversal of 457644955129 is 921559446754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 457644955129 - 2⁹ = 457644954617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457644955199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42789207 + ... + 42799900.

It is an arithmetic number, because the mean of its divisors is an integer number (114432637396).

Almost surely, 2^457644955129 is an apocalyptic number.

It is an amenable number.

457644955129 is a deficient number, since it is larger than the sum of its proper divisors (85594455).

457644955129 is an equidigital number, since it uses as much as digits as its factorization.

457644955129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85594454.

The product of its digits is 54432000, while the sum is 61.

The spelling of 457644955129 in words is "four hundred fifty-seven billion, six hundred forty-four million, nine hundred fifty-five thousand, one hundred twenty-nine".