1448909521963 has 2 divisors, whose sum is σ = 1448909521964. Its totient is φ = 1448909521962.

The previous prime is 1448909521921. The next prime is 1448909521973. The reversal of 1448909521963 is 3691259098441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1448909521963 - 2²⁵ = 1448875967531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1448909521973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724454760981 + 724454760982.

It is an arithmetic number, because the mean of its divisors is an integer number (724454760982).

Almost surely, 2^{1448909521963} is an apocalyptic number.

1448909521963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448909521963 is an equidigital number, since it uses as much as digits as its factorization.

1448909521963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 1448909521963 in words is "one trillion, four hundred forty-eight billion, nine hundred nine million, five hundred twenty-one thousand, nine hundred sixty-three".