2474838921 has 8 divisors (see below), whose sum is σ = 3309241600. Its totient is φ = 1645164432.

The previous prime is 2474838913. The next prime is 2474838923. The reversal of 2474838921 is 1298384742.

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

It is not a de Polignac number, because 2474838921 - 2³ = 2474838913 is a prime.

It is a super-2 number, since 2×2474838921² = 12249655369792888482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2474838923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1180825 + ... + 1182918.

It is an arithmetic number, because the mean of its divisors is an integer number (413655200).

Almost surely, 2^2474838921 is an apocalyptic number.

It is an amenable number.

2474838921 is a deficient number, since it is larger than the sum of its proper divisors (834402679).

2474838921 is a wasteful number, since it uses less digits than its factorization.

2474838921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364095.

The product of its digits is 774144, while the sum is 48.

The square root of 2474838921 is about 49747.7529241271. The cubic root of 2474838921 is about 1352.6402688551.

The spelling of 2474838921 in words is "two billion, four hundred seventy-four million, eight hundred thirty-eight thousand, nine hundred twenty-one".