1245916011433 has 2 divisors, whose sum is σ = 1245916011434. Its totient is φ = 1245916011432.

The previous prime is 1245916011377. The next prime is 1245916011451. The reversal of 1245916011433 is 3341106195421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1061666458384 + 184249553049 = 1030372^2 + 429243^2 .

It is an emirp because it is prime and its reverse (3341106195421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1245916011433 - 2²⁹ = 1245379140521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1245916011463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622958005716 + 622958005717.

It is an arithmetic number, because the mean of its divisors is an integer number (622958005717).

Almost surely, 2^{1245916011433} is an apocalyptic number.

It is an amenable number.

1245916011433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245916011433 is an equidigital number, since it uses as much as digits as its factorization.

1245916011433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 1245916011433 in words is "one trillion, two hundred forty-five billion, nine hundred sixteen million, eleven thousand, four hundred thirty-three".