2129260407 has 8 divisors (see below), whose sum is σ = 2842254576. Its totient is φ = 1417886592.

The previous prime is 2129260363. The next prime is 2129260459. The reversal of 2129260407 is 7040629212.

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

It is not a de Polignac number, because 2129260407 - 2⁸ = 2129260151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129260477) 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, 402018 + ... + 407279.

It is an arithmetic number, because the mean of its divisors is an integer number (355281822).

Almost surely, 2^2129260407 is an apocalyptic number.

2129260407 is a deficient number, since it is larger than the sum of its proper divisors (712994169).

2129260407 is an equidigital number, since it uses as much as digits as its factorization.

2129260407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810177.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2129260407 is about 46143.9097498251. The cubic root of 2129260407 is about 1286.4994144045.

Adding to 2129260407 its reverse (7040629212), we get a palindrome (9169889619).

The spelling of 2129260407 in words is "two billion, one hundred twenty-nine million, two hundred sixty thousand, four hundred seven".