4921408135488 has 112 divisors (see below), whose sum is σ = 14364879673536. Its totient is φ = 1477345751040.

The previous prime is 4921408135393. The next prime is 4921408135489. The reversal of 4921408135488 is 8845318041294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921408135489) 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, 23943006 + ... + 24147677.

It is an arithmetic number, because the mean of its divisors is an integer number (128257854228).

Almost surely, 2^{4921408135488} is an apocalyptic number.

4921408135488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4921408135488 is an abundant number, since it is smaller than the sum of its proper divisors (9443471538048).

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

4921408135488 is a wasteful number, since it uses less digits than its factorization.

4921408135488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48090752 (or 48090742 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 4921408135488 in words is "four trillion, nine hundred twenty-one billion, four hundred eight million, one hundred thirty-five thousand, four hundred eighty-eight".