4923778389048 has 24 divisors (see below), whose sum is σ = 13335233137200. Its totient is φ = 1641259462992.

The previous prime is 4923778389031. The next prime is 4923778389077. The reversal of 4923778389048 is 8409838773294.

4923778389048 is a `hidden beast` number, since 4 + 9 + 237 + 7 + 8 + 389 + 0 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×4923778389048² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72), and also a Moran number because the ratio is a prime number: 68385810959 = 4923778389048 / (4 + 9 + 2 + 3 + 7 + 7 + 8 + 3 + 8 + 9 + 0 + 4 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34192905408 + ... + 34192905551.

It is an arithmetic number, because the mean of its divisors is an integer number (555634714050).

Almost surely, 2^{4923778389048} is an apocalyptic number.

It is an amenable number.

4923778389048 is an abundant number, since it is smaller than the sum of its proper divisors (8411454748152).

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

4923778389048 is a wasteful number, since it uses less digits than its factorization.

4923778389048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68385810971 (or 68385810964 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 72.

The spelling of 4923778389048 in words is "four trillion, nine hundred twenty-three billion, seven hundred seventy-eight million, three hundred eighty-nine thousand, forty-eight".