4291644159787 has 2 divisors, whose sum is σ = 4291644159788. Its totient is φ = 4291644159786.

The previous prime is 4291644159731. The next prime is 4291644159811. The reversal of 4291644159787 is 7879514461924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4291644159787 - 2²⁷ = 4291509942059 is a prime.

It is not a weakly prime, because it can be changed into another prime (4291644159707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2145822079893 + 2145822079894.

It is an arithmetic number, because the mean of its divisors is an integer number (2145822079894).

Almost surely, 2^{4291644159787} is an apocalyptic number.

4291644159787 is a deficient number, since it is larger than the sum of its proper divisors (1).

4291644159787 is an equidigital number, since it uses as much as digits as its factorization.

4291644159787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121927680, while the sum is 67.

The spelling of 4291644159787 in words is "four trillion, two hundred ninety-one billion, six hundred forty-four million, one hundred fifty-nine thousand, seven hundred eighty-seven".