1254113423449 has 2 divisors, whose sum is σ = 1254113423450. Its totient is φ = 1254113423448.

The previous prime is 1254113423383. The next prime is 1254113423461. The reversal of 1254113423449 is 9443243114521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 723937214025 + 530176209424 = 850845^2 + 728132^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254113423449 - 2¹¹ = 1254113421401 is a prime.

It is a super-3 number, since 3×1254113423449³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1254113483449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627056711724 + 627056711725.

It is an arithmetic number, because the mean of its divisors is an integer number (627056711725).

Almost surely, 2^{1254113423449} is an apocalyptic number.

It is an amenable number.

1254113423449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254113423449 is an equidigital number, since it uses as much as digits as its factorization.

1254113423449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 43.

The spelling of 1254113423449 in words is "one trillion, two hundred fifty-four billion, one hundred thirteen million, four hundred twenty-three thousand, four hundred forty-nine".