1504223421401 has 2 divisors, whose sum is σ = 1504223421402. Its totient is φ = 1504223421400.

The previous prime is 1504223421359. The next prime is 1504223421403. The reversal of 1504223421401 is 1041243224051.

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., 1341230353225 + 162993068176 = 1158115^2 + 403724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1504223421401 is a prime.

Together with 1504223421403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1504223421403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752111710700 + 752111710701.

It is an arithmetic number, because the mean of its divisors is an integer number (752111710701).

Almost surely, 2^{1504223421401} is an apocalyptic number.

It is an amenable number.

1504223421401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1504223421401 is an equidigital number, since it uses as much as digits as its factorization.

1504223421401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 1504223421401 its reverse (1041243224051), we get a palindrome (2545466645452).

The spelling of 1504223421401 in words is "one trillion, five hundred four billion, two hundred twenty-three million, four hundred twenty-one thousand, four hundred one".