4247891202775 has 12 divisors (see below), whose sum is σ = 5746238281944. Its totient is φ = 3089375420000.

The previous prime is 4247891202733. The next prime is 4247891202901. The reversal of 4247891202775 is 5772021987424.

It is a happy number.

It is not a de Polignac number, because 4247891202775 - 2¹³ = 4247891194583 is a prime.

It is a super-2 number, since 2×4247891202775² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7723438276 + ... + 7723438825.

It is an arithmetic number, because the mean of its divisors is an integer number (478853190162).

Almost surely, 2^{4247891202775} is an apocalyptic number.

4247891202775 is a deficient number, since it is larger than the sum of its proper divisors (1498347079169).

4247891202775 is a wasteful number, since it uses less digits than its factorization.

4247891202775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15446877122 (or 15446877117 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 58.

The spelling of 4247891202775 in words is "four trillion, two hundred forty-seven billion, eight hundred ninety-one million, two hundred two thousand, seven hundred seventy-five".