2127861964799 has 8 divisors (see below), whose sum is σ = 2139232493568. Its totient is φ = 2116517308920.

The previous prime is 2127861964693. The next prime is 2127861964849. The reversal of 2127861964799 is 9974691687212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2127861964799 - 2¹² = 2127861960703 is a prime.

It is a super-3 number, since 3×2127861964799³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2127861964199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6303287 + ... + 6632280.

It is an arithmetic number, because the mean of its divisors is an integer number (267404061696).

Almost surely, 2^{2127861964799} is an apocalyptic number.

2127861964799 is a deficient number, since it is larger than the sum of its proper divisors (11370528769).

2127861964799 is a wasteful number, since it uses less digits than its factorization.

2127861964799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12936445.

The product of its digits is 164602368, while the sum is 71.

The spelling of 2127861964799 in words is "two trillion, one hundred twenty-seven billion, eight hundred sixty-one million, nine hundred sixty-four thousand, seven hundred ninety-nine".