4921847945 has 8 divisors (see below), whose sum is σ = 6749962944. Its totient is φ = 3374981424.

The previous prime is 4921847933. The next prime is 4921847969. The reversal of 4921847945 is 5497481294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4921847945 - 2¹⁰ = 4921846921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70312079 + ... + 70312148.

It is an arithmetic number, because the mean of its divisors is an integer number (843745368).

Almost surely, 2^4921847945 is an apocalyptic number.

It is an amenable number.

4921847945 is a deficient number, since it is larger than the sum of its proper divisors (1828114999).

4921847945 is a wasteful number, since it uses less digits than its factorization.

4921847945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140624239.

The product of its digits is 2903040, while the sum is 53.

The square root of 4921847945 is about 70155.8831816691. The cubic root of 4921847945 is about 1701.0199122044.

The spelling of 4921847945 in words is "four billion, nine hundred twenty-one million, eight hundred forty-seven thousand, nine hundred forty-five".