1213552414049 has 2 divisors, whose sum is σ = 1213552414050. Its totient is φ = 1213552414048.

The previous prime is 1213552413973. The next prime is 1213552414099. The reversal of 1213552414049 is 9404142553121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1159196755600 + 54355658449 = 1076660^2 + 233143^2 .

It is an emirp because it is prime and its reverse (9404142553121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213552414049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213552413997 and 1213552414015.

It is not a weakly prime, because it can be changed into another prime (1213552414099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606776207024 + 606776207025.

It is an arithmetic number, because the mean of its divisors is an integer number (606776207025).

Almost surely, 2^{1213552414049} is an apocalyptic number.

It is an amenable number.

1213552414049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213552414049 is an equidigital number, since it uses as much as digits as its factorization.

1213552414049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 1213552414049 in words is "one trillion, two hundred thirteen billion, five hundred fifty-two million, four hundred fourteen thousand, forty-nine".