449503004387 has 2 divisors, whose sum is σ = 449503004388. Its totient is φ = 449503004386.

The previous prime is 449503004369. The next prime is 449503004399. The reversal of 449503004387 is 783400305944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449503004387 - 2¹² = 449503000291 is a prime.

It is not a weakly prime, because it can be changed into another prime (449503004317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224751502193 + 224751502194.

It is an arithmetic number, because the mean of its divisors is an integer number (224751502194).

Almost surely, 2^449503004387 is an apocalyptic number.

449503004387 is a deficient number, since it is larger than the sum of its proper divisors (1).

449503004387 is an equidigital number, since it uses as much as digits as its factorization.

449503004387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 449503004387 in words is "four hundred forty-nine billion, five hundred three million, four thousand, three hundred eighty-seven".