457728505033 has 4 divisors (see below), whose sum is σ = 457796798848. Its totient is φ = 457660211220.

The previous prime is 457728505021. The next prime is 457728505051. The reversal of 457728505033 is 330505827754.

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 457728505033 - 2⁵ = 457728505001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457728505133) 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, 34136853 + ... + 34150258.

It is an arithmetic number, because the mean of its divisors is an integer number (114449199712).

Almost surely, 2^457728505033 is an apocalyptic number.

It is an amenable number.

457728505033 is a deficient number, since it is larger than the sum of its proper divisors (68293815).

457728505033 is an equidigital number, since it uses as much as digits as its factorization.

457728505033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68293814.

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 457728505033 in words is "four hundred fifty-seven billion, seven hundred twenty-eight million, five hundred five thousand, thirty-three".