4950999648 has 144 divisors (see below), whose sum is σ = 16111630080. Its totient is φ = 1412736768.

The previous prime is 4950999629. The next prime is 4950999659. The reversal of 4950999648 is 8469990594.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×4950999648² = 49024795028992247808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2633973 + ... + 2635851.

It is an arithmetic number, because the mean of its divisors is an integer number (111886320).

Almost surely, 2^4950999648 is an apocalyptic number.

4950999648 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 4950999648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8055815040).

4950999648 is an abundant number, since it is smaller than the sum of its proper divisors (11160630432).

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

4950999648 is a wasteful number, since it uses less digits than its factorization.

4950999648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209 (or 3198 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The square root of 4950999648 is about 70363.3402277066. The cubic root of 4950999648 is about 1704.3716375154.

The spelling of 4950999648 in words is "four billion, nine hundred fifty million, nine hundred ninety-nine thousand, six hundred forty-eight".