1642315872143 has 2 divisors, whose sum is σ = 1642315872144. Its totient is φ = 1642315872142.

The previous prime is 1642315872133. The next prime is 1642315872151. The reversal of 1642315872143 is 3412785132461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1642315872143 - 2²⁶ = 1642248763279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1642315872133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821157936071 + 821157936072.

It is an arithmetic number, because the mean of its divisors is an integer number (821157936072).

Almost surely, 2^{1642315872143} is an apocalyptic number.

1642315872143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1642315872143 is an equidigital number, since it uses as much as digits as its factorization.

1642315872143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 47.

The spelling of 1642315872143 in words is "one trillion, six hundred forty-two billion, three hundred fifteen million, eight hundred seventy-two thousand, one hundred forty-three".