2134042646651 has 4 divisors (see below), whose sum is σ = 2136532778952. Its totient is φ = 2131552514352.

The previous prime is 2134042646629. The next prime is 2134042646683. The reversal of 2134042646651 is 1566462404312.

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

It is a cyclic number.

It is not a de Polignac number, because 2134042646651 - 2⁶ = 2134042646587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2134042648651) 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, 1245064865 + ... + 1245066578.

It is an arithmetic number, because the mean of its divisors is an integer number (534133194738).

Almost surely, 2^{2134042646651} is an apocalyptic number.

2134042646651 is a deficient number, since it is larger than the sum of its proper divisors (2490132301).

2134042646651 is an equidigital number, since it uses as much as digits as its factorization.

2134042646651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490132300.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 2134042646651 in words is "two trillion, one hundred thirty-four billion, forty-two million, six hundred forty-six thousand, six hundred fifty-one".