488979973 has 4 divisors (see below), whose sum is σ = 494474220. Its totient is φ = 483485728.

The previous prime is 488979971. The next prime is 488980031. The reversal of 488979973 is 379979884.

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 128663649 + 360316324 = 11343^2 + 18982^2 .

It is a cyclic number.

It is not a de Polignac number, because 488979973 - 2¹ = 488979971 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 (488979971) 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, 2746990 + ... + 2747167.

It is an arithmetic number, because the mean of its divisors is an integer number (123618555).

Almost surely, 2^488979973 is an apocalyptic number.

It is an amenable number.

488979973 is a deficient number, since it is larger than the sum of its proper divisors (5494247).

488979973 is an equidigital number, since it uses as much as digits as its factorization.

488979973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494246.

The product of its digits is 27433728, while the sum is 64.

The square root of 488979973 is about 22112.8915567368. The cubic root of 488979973 is about 787.8260871106.

The spelling of 488979973 in words is "four hundred eighty-eight million, nine hundred seventy-nine thousand, nine hundred seventy-three".