4321792861129 has 2 divisors, whose sum is σ = 4321792861130. Its totient is φ = 4321792861128.

The previous prime is 4321792861121. The next prime is 4321792861187. The reversal of 4321792861129 is 9211682971234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2746567054729 + 1575225806400 = 1657277^2 + 1255080^2 .

It is a cyclic number.

It is not a de Polignac number, because 4321792861129 - 2³ = 4321792861121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4321792861129.

It is not a weakly prime, because it can be changed into another prime (4321792861121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160896430564 + 2160896430565.

It is an arithmetic number, because the mean of its divisors is an integer number (2160896430565).

Almost surely, 2^{4321792861129} is an apocalyptic number.

It is an amenable number.

4321792861129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321792861129 is an equidigital number, since it uses as much as digits as its factorization.

4321792861129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The spelling of 4321792861129 in words is "four trillion, three hundred twenty-one billion, seven hundred ninety-two million, eight hundred sixty-one thousand, one hundred twenty-nine".