1280097200943 has 48 divisors (see below), whose sum is σ = 2117737499904. Its totient is φ = 737532449280.

The previous prime is 1280097200927. The next prime is 1280097200947. The reversal of 1280097200943 is 3490027900821.

It is not a de Polignac number, because 1280097200943 - 2⁴ = 1280097200927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280097200947) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1353346 + ... + 2095647.

It is an arithmetic number, because the mean of its divisors is an integer number (44119531248).

Almost surely, 2^{1280097200943} is an apocalyptic number.

1280097200943 is a deficient number, since it is larger than the sum of its proper divisors (837640298961).

1280097200943 is a wasteful number, since it uses less digits than its factorization.

1280097200943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449196 (or 3449193 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 1280097200943 in words is "one trillion, two hundred eighty billion, ninety-seven million, two hundred thousand, nine hundred forty-three".