1443775697013 has 32 divisors (see below), whose sum is σ = 2080161280512. Its totient is φ = 885459672000.

The previous prime is 1443775696999. The next prime is 1443775697029. The reversal of 1443775697013 is 3107965773441.

It is not a de Polignac number, because 1443775697013 - 2²² = 1443771502709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443775497013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27188338 + ... + 27241388.

It is an arithmetic number, because the mean of its divisors is an integer number (65005040016).

Almost surely, 2^{1443775697013} is an apocalyptic number.

1443775697013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1443775697013 is a deficient number, since it is larger than the sum of its proper divisors (636385583499).

1443775697013 is a wasteful number, since it uses less digits than its factorization.

1443775697013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55425.

The product of its (nonzero) digits is 13335840, while the sum is 57.

The spelling of 1443775697013 in words is "one trillion, four hundred forty-three billion, seven hundred seventy-five million, six hundred ninety-seven thousand, thirteen".