2134454646669 has 16 divisors (see below), whose sum is σ = 2937853163520. Its totient is φ = 1377016357680.

The previous prime is 2134454646661. The next prime is 2134454646673. The reversal of 2134454646669 is 9666464544312.

It is not a de Polignac number, because 2134454646669 - 2³ = 2134454646661 is a prime.

It is a super-2 number, since 2×2134454646669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134454646661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2175522 + ... + 3000300.

It is an arithmetic number, because the mean of its divisors is an integer number (183615822720).

Almost surely, 2^{2134454646669} is an apocalyptic number.

It is an amenable number.

2134454646669 is a deficient number, since it is larger than the sum of its proper divisors (803398516851).

2134454646669 is a wasteful number, since it uses less digits than its factorization.

2134454646669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852640.

The product of its digits is 89579520, while the sum is 60.

The spelling of 2134454646669 in words is "two trillion, one hundred thirty-four billion, four hundred fifty-four million, six hundred forty-six thousand, six hundred sixty-nine".