488890331749 has 4 divisors (see below), whose sum is σ = 489108686080. Its totient is φ = 488671977420.

The previous prime is 488890331723. The next prime is 488890331777. The reversal of 488890331749 is 947133098884.

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 488890331749 - 2¹¹ = 488890329701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488890331779) 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, 109173807 + ... + 109178284.

It is an arithmetic number, because the mean of its divisors is an integer number (122277171520).

Almost surely, 2^488890331749 is an apocalyptic number.

It is an amenable number.

488890331749 is a deficient number, since it is larger than the sum of its proper divisors (218354331).

488890331749 is a wasteful number, since it uses less digits than its factorization.

488890331749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218354330.

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 488890331749 in words is "four hundred eighty-eight billion, eight hundred ninety million, three hundred thirty-one thousand, seven hundred forty-nine".