2129410667 has 12 divisors (see below), whose sum is σ = 2263707480. Its totient is φ = 2002672896.

The previous prime is 2129410663. The next prime is 2129410681. The reversal of 2129410667 is 7660149212.

It is not a de Polignac number, because 2129410667 - 2² = 2129410663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2129410667.

It is not an unprimeable number, because it can be changed into a prime (2129410663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 743903 + ... + 746759.

It is an arithmetic number, because the mean of its divisors is an integer number (188642290).

Almost surely, 2^2129410667 is an apocalyptic number.

2129410667 is a deficient number, since it is larger than the sum of its proper divisors (134296813).

2129410667 is a wasteful number, since it uses less digits than its factorization.

2129410667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5470 (or 5453 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2129410667 is about 46145.5378882942. The cubic root of 2129410667 is about 1286.5296760631.

Adding to 2129410667 its reverse (7660149212), we get a palindrome (9789559879).

The spelling of 2129410667 in words is "two billion, one hundred twenty-nine million, four hundred ten thousand, six hundred sixty-seven".