488195858981 has 4 divisors (see below), whose sum is σ = 488268052032. Its totient is φ = 488123665932.

The previous prime is 488195858957. The next prime is 488195859001. The reversal of 488195858981 is 189858591884.

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 488195858981 - 2¹⁰ = 488195857957 is a prime.

It is a super-2 number, since 2×488195858981² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 488195858899 and 488195858908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488195258981) 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, 36086381 + ... + 36099906.

It is an arithmetic number, because the mean of its divisors is an integer number (122067013008).

Almost surely, 2^488195858981 is an apocalyptic number.

It is an amenable number.

488195858981 is a deficient number, since it is larger than the sum of its proper divisors (72193051).

488195858981 is an equidigital number, since it uses as much as digits as its factorization.

488195858981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72193050.

The product of its digits is 265420800, while the sum is 74.

The spelling of 488195858981 in words is "four hundred eighty-eight billion, one hundred ninety-five million, eight hundred fifty-eight thousand, nine hundred eighty-one".