1249133560349 has 4 divisors (see below), whose sum is σ = 1289428191360. Its totient is φ = 1208838929340.

The previous prime is 1249133560319. The next prime is 1249133560357. The reversal of 1249133560349 is 9430653319421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1249133560349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1249133560297 and 1249133560306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249133560319) 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 3 ways as a sum of consecutive naturals, for example, 20147315459 + ... + 20147315520.

It is an arithmetic number, because the mean of its divisors is an integer number (322357047840).

Almost surely, 2^{1249133560349} is an apocalyptic number.

It is an amenable number.

1249133560349 is a deficient number, since it is larger than the sum of its proper divisors (40294631011).

1249133560349 is an equidigital number, since it uses as much as digits as its factorization.

1249133560349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40294631010.

The product of its (nonzero) digits is 2099520, while the sum is 50.

The spelling of 1249133560349 in words is "one trillion, two hundred forty-nine billion, one hundred thirty-three million, five hundred sixty thousand, three hundred forty-nine".