488952537989 has 4 divisors (see below), whose sum is σ = 489183942156. Its totient is φ = 488721133824.

The previous prime is 488952537979. The next prime is 488952537991. The reversal of 488952537989 is 989735259884.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 48992280964 + 439960257025 = 221342^2 + 663295^2 .

It is a cyclic number.

It is not a de Polignac number, because 488952537989 - 2⁴ = 488952537973 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 (488952537929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115698914 + ... + 115703139.

It is an arithmetic number, because the mean of its divisors is an integer number (122295985539).

Almost surely, 2^488952537989 is an apocalyptic number.

It is an amenable number.

488952537989 is a deficient number, since it is larger than the sum of its proper divisors (231404167).

488952537989 is a wasteful number, since it uses less digits than its factorization.

488952537989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231404166.

The product of its digits is 1567641600, while the sum is 77.

The spelling of 488952537989 in words is "four hundred eighty-eight billion, nine hundred fifty-two million, five hundred thirty-seven thousand, nine hundred eighty-nine".