1449490312399 has 2 divisors, whose sum is σ = 1449490312400. Its totient is φ = 1449490312398.

The previous prime is 1449490312297. The next prime is 1449490312427. The reversal of 1449490312399 is 9932130949441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1449490312399 - 2²¹ = 1449488215247 is a prime.

It is a super-2 number, since 2×1449490312399² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1449490312099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724745156199 + 724745156200.

It is an arithmetic number, because the mean of its divisors is an integer number (724745156200).

Almost surely, 2^{1449490312399} is an apocalyptic number.

1449490312399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449490312399 is an equidigital number, since it uses as much as digits as its factorization.

1449490312399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7558272, while the sum is 58.

The spelling of 1449490312399 in words is "one trillion, four hundred forty-nine billion, four hundred ninety million, three hundred twelve thousand, three hundred ninety-nine".