4274344521 has 6 divisors (see below), whose sum is σ = 6174053210. Its totient is φ = 2849563008.

The previous prime is 4274344483. The next prime is 4274344537. The reversal of 4274344521 is 1254434724.

It can be written as a sum of positive squares in only one way, i.e., 3244897296 + 1029447225 = 56964^2 + 32085^2 .

It is not a de Polignac number, because 4274344521 - 2¹⁰ = 4274343497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4274344021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237463576 + ... + 237463593.

Almost surely, 2^4274344521 is an apocalyptic number.

It is an amenable number.

4274344521 is a deficient number, since it is larger than the sum of its proper divisors (1899708689).

4274344521 is a wasteful number, since it uses less digits than its factorization.

4274344521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474927175 (or 474927172 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 4274344521 is about 65378.4713877588. The cubic root of 4274344521 is about 1622.8928296068.

The spelling of 4274344521 in words is "four billion, two hundred seventy-four million, three hundred forty-four thousand, five hundred twenty-one".