1274446444721 has 8 divisors (see below), whose sum is σ = 1282172950080. Its totient is φ = 1266732639088.

The previous prime is 1274446444697. The next prime is 1274446444729.

1274446444721 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1274446444721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1274446444721.

It is not an unprimeable number, because it can be changed into a prime (1274446444729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2973581 + ... + 3375066.

It is an arithmetic number, because the mean of its divisors is an integer number (160271618760).

Almost surely, 2^{1274446444721} is an apocalyptic number.

It is an amenable number.

1274446444721 is a deficient number, since it is larger than the sum of its proper divisors (7726505359).

1274446444721 is a wasteful number, since it uses less digits than its factorization.

1274446444721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6349863.

The product of its digits is 4816896, while the sum is 50.

The spelling of 1274446444721 in words is "one trillion, two hundred seventy-four billion, four hundred forty-six million, four hundred forty-four thousand, seven hundred twenty-one".