1504440190069 has 2 divisors, whose sum is σ = 1504440190070. Its totient is φ = 1504440190068.

The previous prime is 1504440190067. The next prime is 1504440190189. The reversal of 1504440190069 is 9600910444051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1332323073169 + 172117116900 = 1154263^2 + 414870^2 .

It is an emirp because it is prime and its reverse (9600910444051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1504440190069 - 2¹ = 1504440190067 is a prime.

It is a super-2 number, since 2×1504440190069² (a number of 25 digits) contains 22 as substring.

Together with 1504440190067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1504440190061) 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, 752220095034 + 752220095035.

It is an arithmetic number, because the mean of its divisors is an integer number (752220095035).

Almost surely, 2^{1504440190069} is an apocalyptic number.

It is an amenable number.

1504440190069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1504440190069 is an equidigital number, since it uses as much as digits as its factorization.

1504440190069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 1504440190069 in words is "one trillion, five hundred four billion, four hundred forty million, one hundred ninety thousand, sixty-nine".