4912731648 has 400 divisors, whose sum is σ = 16309648080. Its totient is φ = 1471979520.

The previous prime is 4912731617. The next prime is 4912731653. The reversal of 4912731648 is 8461372194.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 55199188 + ... + 55199276.

Almost surely, 2^4912731648 is an apocalyptic number.

4912731648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4912731648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8154824040).

4912731648 is an abundant number, since it is smaller than the sum of its proper divisors (11396916432).

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

4912731648 is an frugal number, since it uses more digits than its factorization.

4912731648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 105 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 4912731648 is about 70090.8813470055. The cubic root of 4912731648 is about 1699.9690476487.

The spelling of 4912731648 in words is "four billion, nine hundred twelve million, seven hundred thirty-one thousand, six hundred forty-eight".