4981923144 has 80 divisors (see below), whose sum is σ = 15222564720. Its totient is φ = 1509671520.

The previous prime is 4981923143. The next prime is 4981923173. The reversal of 4981923144 is 4413291894.

4981923144 is a `hidden beast` number, since 498 + 1 + 92 + 31 + 44 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 4981923144.

It is not an unprimeable number, because it can be changed into a prime (4981923143) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 342334 + ... + 356589.

It is an arithmetic number, because the mean of its divisors is an integer number (190282059).

Almost surely, 2^4981923144 is an apocalyptic number.

4981923144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4981923144 is an abundant number, since it is smaller than the sum of its proper divisors (10240641576).

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

4981923144 is a wasteful number, since it uses less digits than its factorization.

4981923144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698952 (or 698939 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 4981923144 is about 70582.7397031314. The cubic root of 4981923144 is about 1707.9127256420.

The spelling of 4981923144 in words is "four billion, nine hundred eighty-one million, nine hundred twenty-three thousand, one hundred forty-four".