4274778213 has 32 divisors (see below), whose sum is σ = 6688281600. Its totient is φ = 2690966448.

The previous prime is 4274778113. The next prime is 4274778223. The reversal of 4274778213 is 3128774724.

4274778213 is a `hidden beast` number, since 427 + 4 + 7 + 7 + 8 + 213 = 666.

It is not a de Polignac number, because 4274778213 - 2¹⁷ = 4274647141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4274778223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143920 + ... + 171062.

It is an arithmetic number, because the mean of its divisors is an integer number (209008800).

Almost surely, 2^4274778213 is an apocalyptic number.

It is an amenable number.

4274778213 is a deficient number, since it is larger than the sum of its proper divisors (2413503387).

4274778213 is a wasteful number, since it uses less digits than its factorization.

4274778213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27478 (or 27472 counting only the distinct ones).

The product of its digits is 526848, while the sum is 45.

The square root of 4274778213 is about 65381.7880835329. The cubic root of 4274778213 is about 1622.9477161382.

The spelling of 4274778213 in words is "four billion, two hundred seventy-four million, seven hundred seventy-eight thousand, two hundred thirteen".