7138286027966 has 4 divisors (see below), whose sum is σ = 10707429041952. Its totient is φ = 3569143013982.

The previous prime is 7138286027963. The next prime is 7138286027981. The reversal of 7138286027966 is 6697206828317.

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

It is a super-2 number, since 2×7138286027966² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138286027963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1784571506990 + ... + 1784571506993.

It is an arithmetic number, because the mean of its divisors is an integer number (2676857260488).

Almost surely, 2^{7138286027966} is an apocalyptic number.

7138286027966 is a deficient number, since it is larger than the sum of its proper divisors (3569143013986).

7138286027966 is a wasteful number, since it uses less digits than its factorization.

7138286027966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569143013985.

The product of its (nonzero) digits is 73156608, while the sum is 65.

The spelling of 7138286027966 in words is "seven trillion, one hundred thirty-eight billion, two hundred eighty-six million, twenty-seven thousand, nine hundred sixty-six".