4621783968 has 48 divisors (see below), whose sum is σ = 13480205760. Its totient is φ = 1540594368.

The previous prime is 4621783961. The next prime is 4621783981. The reversal of 4621783968 is 8693871264.

4621783968 is a `hidden beast` number, since 4 + 621 + 7 + 8 + 3 + 9 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4621783961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2673780 + ... + 2675507.

It is an arithmetic number, because the mean of its divisors is an integer number (280837620).

Almost surely, 2^4621783968 is an apocalyptic number.

4621783968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4621783968 is an abundant number, since it is smaller than the sum of its proper divisors (8858421792).

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

4621783968 is a wasteful number, since it uses less digits than its factorization.

4621783968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349306 (or 5349292 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 4621783968 is about 67983.7036943413. The cubic root of 4621783968 is about 1665.7246549398.

The spelling of 4621783968 in words is "four billion, six hundred twenty-one million, seven hundred eighty-three thousand, nine hundred sixty-eight".