2129450267 has 8 divisors (see below), whose sum is σ = 2439281376. Its totient is φ = 1821025152.

The previous prime is 2129450221. The next prime is 2129450287. The reversal of 2129450267 is 7620549212.

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 2129450267 - 2¹⁸ = 2129188123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2129450267.

It is not an unprimeable number, because it can be changed into a prime (2129450207) 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, 348248 + ... + 354309.

It is an arithmetic number, because the mean of its divisors is an integer number (304910172).

Almost surely, 2^2129450267 is an apocalyptic number.

2129450267 is a deficient number, since it is larger than the sum of its proper divisors (309831109).

2129450267 is an equidigital number, since it uses as much as digits as its factorization.

2129450267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702997.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 2129450267 is about 46145.9669635386. The cubic root of 2129450267 is about 1286.5376510802.

Adding to 2129450267 its reverse (7620549212), we get a palindrome (9749999479).

The spelling of 2129450267 in words is "two billion, one hundred twenty-nine million, four hundred fifty thousand, two hundred sixty-seven".