4943494644 has 48 divisors (see below), whose sum is σ = 12660695040. Its totient is φ = 1488831840.

The previous prime is 4943494643. The next prime is 4943494663. The reversal of 4943494644 is 4464943494.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4943494643) 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, 93364 + ... + 136395.

It is an arithmetic number, because the mean of its divisors is an integer number (263764480).

Almost surely, 2^4943494644 is an apocalyptic number.

4943494644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4943494644 is an abundant number, since it is smaller than the sum of its proper divisors (7717200396).

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

4943494644 is a wasteful number, since it uses less digits than its factorization.

4943494644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229940 (or 229938 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 51.

The square root of 4943494644 is about 70309.9896458533. The cubic root of 4943494644 is about 1703.5100078392.

The spelling of 4943494644 in words is "four billion, nine hundred forty-three million, four hundred ninety-four thousand, six hundred forty-four".