1244036263285 has 8 divisors (see below), whose sum is σ = 1529254333656. Its totient is φ = 970955132160.

The previous prime is 1244036263277. The next prime is 1244036263319. The reversal of 1244036263285 is 5823626304421.

It can be written as a sum of positive squares in 4 ways, for example, as 8964113041 + 1235072150244 = 94679^2 + 1111338^2 .

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

It is not a de Polignac number, because 1244036263285 - 2³ = 1244036263277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3034234584 + ... + 3034234993.

It is an arithmetic number, because the mean of its divisors is an integer number (191156791707).

Almost surely, 2^{1244036263285} is an apocalyptic number.

It is an amenable number.

1244036263285 is a deficient number, since it is larger than the sum of its proper divisors (285218070371).

1244036263285 is an equidigital number, since it uses as much as digits as its factorization.

1244036263285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6068469623.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 1244036263285 in words is "one trillion, two hundred forty-four billion, thirty-six million, two hundred sixty-three thousand, two hundred eighty-five".