4523502402989 has 2 divisors, whose sum is σ = 4523502402990. Its totient is φ = 4523502402988.

The previous prime is 4523502402977. The next prime is 4523502403009. The reversal of 4523502402989 is 9892042053254.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3826260702889 + 697241700100 = 1956083^2 + 835010^2 .

It is a cyclic number.

It is not a de Polignac number, because 4523502402989 - 2⁴⁰ = 3423990775213 is a prime.

It is a super-2 number, since 2×4523502402989² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4523502402989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4523502402959) 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, 2261751201494 + 2261751201495.

It is an arithmetic number, because the mean of its divisors is an integer number (2261751201495).

Almost surely, 2^{4523502402989} is an apocalyptic number.

It is an amenable number.

4523502402989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4523502402989 is an equidigital number, since it uses as much as digits as its factorization.

4523502402989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 4523502402989 in words is "four trillion, five hundred twenty-three billion, five hundred two million, four hundred two thousand, nine hundred eighty-nine".