274221962449 has 4 divisors (see below), whose sum is σ = 274353738660. Its totient is φ = 274090186240.

The previous prime is 274221962411. The next prime is 274221962459. The reversal of 274221962449 is 944269122472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 214177360849 + 60044601600 = 462793^2 + 245040^2 .

It is a cyclic number.

It is not a de Polignac number, because 274221962449 - 2¹³ = 274221954257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 274221962396 and 274221962405.

It is not an unprimeable number, because it can be changed into a prime (274221962459) 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, 65884984 + ... + 65889145.

It is an arithmetic number, because the mean of its divisors is an integer number (68588434665).

Almost surely, 2^274221962449 is an apocalyptic number.

It is an amenable number.

274221962449 is a deficient number, since it is larger than the sum of its proper divisors (131776211).

274221962449 is a wasteful number, since it uses less digits than its factorization.

274221962449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131776210.

The product of its digits is 3483648, while the sum is 52.

The spelling of 274221962449 in words is "two hundred seventy-four billion, two hundred twenty-one million, nine hundred sixty-two thousand, four hundred forty-nine".