1249601794433 has 4 divisors (see below), whose sum is σ = 1251189599280. Its totient is φ = 1248013989588.

The previous prime is 1249601794379. The next prime is 1249601794439. The reversal of 1249601794433 is 3344971069421.

It is a happy number.

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 not a de Polignac number, because 1249601794433 - 2¹⁰ = 1249601793409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1249601794439) 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, 793901243 + ... + 793902816.

It is an arithmetic number, because the mean of its divisors is an integer number (312797399820).

Almost surely, 2^{1249601794433} is an apocalyptic number.

It is an amenable number.

1249601794433 is a deficient number, since it is larger than the sum of its proper divisors (1587804847).

1249601794433 is an equidigital number, since it uses as much as digits as its factorization.

1249601794433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587804846.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 1249601794433 in words is "one trillion, two hundred forty-nine billion, six hundred one million, seven hundred ninety-four thousand, four hundred thirty-three".