4247190659871 has 20 divisors (see below), whose sum is σ = 6403863811752. Its totient is φ = 2804998187088.

The previous prime is 4247190659843. The next prime is 4247190659893. The reversal of 4247190659871 is 1789560917424.

4247190659871 is a `hidden beast` number, since 4 + 2 + 471 + 9 + 0 + 6 + 5 + 98 + 71 = 666.

It is not a de Polignac number, because 4247190659871 - 2⁵ = 4247190659839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4247190659799 and 4247190659808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247190659801) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 245012140 + ... + 245029473.

Almost surely, 2^{4247190659871} is an apocalyptic number.

4247190659871 is a deficient number, since it is larger than the sum of its proper divisors (2156673151881).

4247190659871 is a wasteful number, since it uses less digits than its factorization.

4247190659871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490041732 (or 490041723 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 4247190659871 in words is "four trillion, two hundred forty-seven billion, one hundred ninety million, six hundred fifty-nine thousand, eight hundred seventy-one".