2474828121 has 4 divisors (see below), whose sum is σ = 3299770832. Its totient is φ = 1649885412.

The previous prime is 2474828117. The next prime is 2474828137. The reversal of 2474828121 is 1218284742.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2474828121 - 2² = 2474828117 is a prime.

It is a super-2 number, since 2×2474828121² = 12249548456984781282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2474828121.

It is not an unprimeable number, because it can be changed into a prime (2474828821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412471351 + ... + 412471356.

It is an arithmetic number, because the mean of its divisors is an integer number (824942708).

Almost surely, 2^2474828121 is an apocalyptic number.

It is an amenable number.

2474828121 is a deficient number, since it is larger than the sum of its proper divisors (824942711).

2474828121 is an equidigital number, since it uses as much as digits as its factorization.

2474828121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824942710.

The product of its digits is 57344, while the sum is 39.

The square root of 2474828121 is about 49747.6443763923. The cubic root of 2474828121 is about 1352.6383012474.

The spelling of 2474828121 in words is "two billion, four hundred seventy-four million, eight hundred twenty-eight thousand, one hundred twenty-one".