2121468051 has 4 divisors (see below), whose sum is σ = 2828624072. Its totient is φ = 1414312032.

The previous prime is 2121468049. The next prime is 2121468073. The reversal of 2121468051 is 1508641212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2121468051 - 2¹ = 2121468049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121468091) 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, 353578006 + ... + 353578011.

It is an arithmetic number, because the mean of its divisors is an integer number (707156018).

Almost surely, 2^2121468051 is an apocalyptic number.

2121468051 is a deficient number, since it is larger than the sum of its proper divisors (707156021).

2121468051 is an equidigital number, since it uses as much as digits as its factorization.

2121468051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707156020.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2121468051 is about 46059.3969891053. The cubic root of 2121468051 is about 1284.9281152033.

The spelling of 2121468051 in words is "two billion, one hundred twenty-one million, four hundred sixty-eight thousand, fifty-one".