1457220628499 has 4 divisors (see below), whose sum is σ = 1457563266336. Its totient is φ = 1456877990664.

The previous prime is 1457220628477. The next prime is 1457220628547. The reversal of 1457220628499 is 9948260227541.

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

It is a cyclic number.

It is not a de Polignac number, because 1457220628499 - 2⁴⁰ = 357709000723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457220621499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171312539 + ... + 171321044.

It is an arithmetic number, because the mean of its divisors is an integer number (364390816584).

Almost surely, 2^{1457220628499} is an apocalyptic number.

1457220628499 is a deficient number, since it is larger than the sum of its proper divisors (342637837).

1457220628499 is an equidigital number, since it uses as much as digits as its factorization.

1457220628499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342637836.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 1457220628499 in words is "one trillion, four hundred fifty-seven billion, two hundred twenty million, six hundred twenty-eight thousand, four hundred ninety-nine".