1449280387023 has 16 divisors (see below), whose sum is σ = 2213217785856. Its totient is φ = 826363772640.

The previous prime is 1449280387003. The next prime is 1449280387031. The reversal of 1449280387023 is 3207830829441.

It is not a de Polignac number, because 1449280387023 - 2⁶ = 1449280386959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449280387003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74842111 + ... + 74861472.

It is an arithmetic number, because the mean of its divisors is an integer number (138326111616).

Almost surely, 2^{1449280387023} is an apocalyptic number.

1449280387023 is a deficient number, since it is larger than the sum of its proper divisors (763937398833).

1449280387023 is a wasteful number, since it uses less digits than its factorization.

1449280387023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149704054.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 1449280387023 in words is "one trillion, four hundred forty-nine billion, two hundred eighty million, three hundred eighty-seven thousand, twenty-three".