4321792861187 has 2 divisors, whose sum is σ = 4321792861188. Its totient is φ = 4321792861186.

The previous prime is 4321792861129. The next prime is 4321792861213. The reversal of 4321792861187 is 7811682971234.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4321792861187 - 2²⁸ = 4321524425731 is a prime.

It is not a weakly prime, because it can be changed into another prime (4321792861387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160896430593 + 2160896430594.

It is an arithmetic number, because the mean of its divisors is an integer number (2160896430594).

Almost surely, 2^{4321792861187} is an apocalyptic number.

4321792861187 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321792861187 is an equidigital number, since it uses as much as digits as its factorization.

4321792861187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8128512, while the sum is 59.

The spelling of 4321792861187 in words is "four trillion, three hundred twenty-one billion, seven hundred ninety-two million, eight hundred sixty-one thousand, one hundred eighty-seven".