2478933213 has 4 divisors (see below), whose sum is σ = 3305244288. Its totient is φ = 1652622140.

The previous prime is 2478933209. The next prime is 2478933221. The reversal of 2478933213 is 3123398742.

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 a cyclic number.

It is not a de Polignac number, because 2478933213 - 2² = 2478933209 is a prime.

It is a super-2 number, since 2×2478933213² = 12290219749029006738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478933293) 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, 413155533 + ... + 413155538.

It is an arithmetic number, because the mean of its divisors is an integer number (826311072).

Almost surely, 2^2478933213 is an apocalyptic number.

It is an amenable number.

2478933213 is a deficient number, since it is larger than the sum of its proper divisors (826311075).

2478933213 is an equidigital number, since it uses as much as digits as its factorization.

2478933213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826311074.

The product of its digits is 217728, while the sum is 42.

The square root of 2478933213 is about 49788.8864406506. The cubic root of 2478933213 is about 1353.3857790604.

The spelling of 2478933213 in words is "two billion, four hundred seventy-eight million, nine hundred thirty-three thousand, two hundred thirteen".