4012663750091 has 4 divisors (see below), whose sum is σ = 4248702794232. Its totient is φ = 3776624705952.

The previous prime is 4012663750079. The next prime is 4012663750093. The reversal of 4012663750091 is 1900573662104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4012663750091 is a prime.

It is a super-2 number, since 2×4012663750091² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4012663750093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118019522045 + ... + 118019522078.

It is an arithmetic number, because the mean of its divisors is an integer number (1062175698558).

Almost surely, 2^{4012663750091} is an apocalyptic number.

4012663750091 is a deficient number, since it is larger than the sum of its proper divisors (236039044141).

4012663750091 is a wasteful number, since it uses less digits than its factorization.

4012663750091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236039044140.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 4012663750091 in words is "four trillion, twelve billion, six hundred sixty-three million, seven hundred fifty thousand, ninety-one".