2130043451 has 4 divisors (see below), whose sum is σ = 2130918504. Its totient is φ = 2129168400.

The previous prime is 2130043427. The next prime is 2130043453. The reversal of 2130043451 is 1543400312.

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 2130043451 - 2¹⁰ = 2130042427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130043453) 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, 433865 + ... + 438746.

It is an arithmetic number, because the mean of its divisors is an integer number (532729626).

Almost surely, 2^2130043451 is an apocalyptic number.

2130043451 is a deficient number, since it is larger than the sum of its proper divisors (875053).

2130043451 is an equidigital number, since it uses as much as digits as its factorization.

2130043451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875052.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2130043451 is about 46152.3937732378. The cubic root of 2130043451 is about 1286.6571001717.

Adding to 2130043451 its reverse (1543400312), we get a palindrome (3673443763).

The spelling of 2130043451 in words is "two billion, one hundred thirty million, forty-three thousand, four hundred fifty-one".