489733956693408 has 96 divisors (see below), whose sum is σ = 1469528877108096. Its totient is φ = 139892844100608.

The previous prime is 489733956693403. The next prime is 489733956693413. The reversal of 489733956693408 is 804396659337984.

It is an interprime number because it is at equal distance from previous prime (489733956693403) and next prime (489733956693413).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (84).

It is not an unprimeable number, because it can be changed into a prime (489733956693403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78081391 + ... + 84119982.

It is an arithmetic number, because the mean of its divisors is an integer number (15307592469876).

Almost surely, 2^{489733956693408} is an apocalyptic number.

489733956693408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

489733956693408 is an abundant number, since it is smaller than the sum of its proper divisors (979794920414688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489733956693408 is a wasteful number, since it uses less digits than its factorization.

489733956693408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162205886 (or 162205878 counting only the distinct ones).

The product of its (nonzero) digits is 25395793920, while the sum is 84.

The spelling of 489733956693408 in words is "four hundred eighty-nine trillion, seven hundred thirty-three billion, nine hundred fifty-six million, six hundred ninety-three thousand, four hundred eight".