2143002051 has 24 divisors (see below), whose sum is σ = 3183626160. Its totient is φ = 1388310336.

The previous prime is 2143001999. The next prime is 2143002091. The reversal of 2143002051 is 1502003412.

It is not a de Polignac number, because 2143002051 - 2¹⁹ = 2142477763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143002091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62185 + ... + 90293.

It is an arithmetic number, because the mean of its divisors is an integer number (132651090).

Almost surely, 2^2143002051 is an apocalyptic number.

2143002051 is a deficient number, since it is larger than the sum of its proper divisors (1040624109).

2143002051 is a wasteful number, since it uses less digits than its factorization.

2143002051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28355 (or 28352 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2143002051 is about 46292.5701489991. The cubic root of 2143002051 is about 1289.2610496563.

Adding to 2143002051 its reverse (1502003412), we get a palindrome (3645005463).

The spelling of 2143002051 in words is "two billion, one hundred forty-three million, two thousand, fifty-one".