1553252524429 has 2 divisors, whose sum is σ = 1553252524430. Its totient is φ = 1553252524428.

The previous prime is 1553252524403. The next prime is 1553252524441. The reversal of 1553252524429 is 9244252523551.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1012589375625 + 540663148804 = 1006275^2 + 735298^2 .

It is an emirp because it is prime and its reverse (9244252523551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1553252524429 - 2¹⁹ = 1553252000141 is a prime.

It is a super-2 number, since 2×1553252524429² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1553252554429) 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 as a sum of consecutive naturals, namely, 776626262214 + 776626262215.

It is an arithmetic number, because the mean of its divisors is an integer number (776626262215).

Almost surely, 2^{1553252524429} is an apocalyptic number.

It is an amenable number.

1553252524429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553252524429 is an equidigital number, since it uses as much as digits as its factorization.

1553252524429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320000, while the sum is 49.

The spelling of 1553252524429 in words is "one trillion, five hundred fifty-three billion, two hundred fifty-two million, five hundred twenty-four thousand, four hundred twenty-nine".