488351993 has 4 divisors (see below), whose sum is σ = 488429568. Its totient is φ = 488274420.

The previous prime is 488351977. The next prime is 488351999. The reversal of 488351993 is 399153884.

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 488351993 - 2⁴ = 488351977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488351999) 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, 28421 + ... + 42242.

It is an arithmetic number, because the mean of its divisors is an integer number (122107392).

Almost surely, 2^488351993 is an apocalyptic number.

It is an amenable number.

488351993 is a deficient number, since it is larger than the sum of its proper divisors (77575).

488351993 is an equidigital number, since it uses as much as digits as its factorization.

488351993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77574.

The product of its digits is 933120, while the sum is 50.

The square root of 488351993 is about 22098.6875854653. The cubic root of 488351993 is about 787.4886834017.

The spelling of 488351993 in words is "four hundred eighty-eight million, three hundred fifty-one thousand, nine hundred ninety-three".