1431443158873 has 16 divisors (see below), whose sum is σ = 1790657779456. Its totient is φ = 1114003679040.

The previous prime is 1431443158861. The next prime is 1431443158879. The reversal of 1431443158873 is 3788513441341.

It is a happy number.

It is not a de Polignac number, because 1431443158873 - 2²⁵ = 1431409604441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1431443158873.

It is not an unprimeable number, because it can be changed into a prime (1431443158879) 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, 128930061 + ... + 128941162.

It is an arithmetic number, because the mean of its divisors is an integer number (111916111216).

Almost surely, 2^{1431443158873} is an apocalyptic number.

1431443158873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1431443158873 is a deficient number, since it is larger than the sum of its proper divisors (359214620583).

1431443158873 is a wasteful number, since it uses less digits than its factorization.

1431443158873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257871304.

The product of its digits is 3870720, while the sum is 52.

The spelling of 1431443158873 in words is "one trillion, four hundred thirty-one billion, four hundred forty-three million, one hundred fifty-eight thousand, eight hundred seventy-three".