504380369 has 2 divisors, whose sum is σ = 504380370. Its totient is φ = 504380368.

The previous prime is 504380341. The next prime is 504380381. The reversal of 504380369 is 963083405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 502656400 + 1723969 = 22420^2 + 1313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504380369 is a prime.

It is a super-2 number, since 2×504380369² = 508799113265152322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (504380329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252190184 + 252190185.

It is an arithmetic number, because the mean of its divisors is an integer number (252190185).

Almost surely, 2^504380369 is an apocalyptic number.

It is an amenable number.

504380369 is a deficient number, since it is larger than the sum of its proper divisors (1).

504380369 is an equidigital number, since it uses as much as digits as its factorization.

504380369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 504380369 is about 22458.4142138309. The cubic root of 504380369 is about 796.0115909737.

The spelling of 504380369 in words is "five hundred four million, three hundred eighty thousand, three hundred sixty-nine".