2143551043 has 8 divisors (see below), whose sum is σ = 2190343680. Its totient is φ = 2096807880.

The previous prime is 2143551031. The next prime is 2143551071. The reversal of 2143551043 is 3401553412.

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 2143551043 - 2¹³ = 2143542851 is a prime.

It is a super-2 number, since 2×2143551043² = 9189622147892775698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143551013) 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, 83178 + ... + 105856.

It is an arithmetic number, because the mean of its divisors is an integer number (273792960).

Almost surely, 2^2143551043 is an apocalyptic number.

2143551043 is a deficient number, since it is larger than the sum of its proper divisors (46792637).

2143551043 is a wasteful number, since it uses less digits than its factorization.

2143551043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24737.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2143551043 is about 46298.4993601305. The cubic root of 2143551043 is about 1289.3711341007.

The spelling of 2143551043 in words is "two billion, one hundred forty-three million, five hundred fifty-one thousand, forty-three".