2143041551 has 8 divisors (see below), whose sum is σ = 2450517120. Its totient is φ = 1835897688.

The previous prime is 2143041541. The next prime is 2143041557. The reversal of 2143041551 is 1551403412.

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 2143041551 - 2¹⁰ = 2143040527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2143041551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143041557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68921 + ... + 95058.

It is an arithmetic number, because the mean of its divisors is an integer number (306314640).

Almost surely, 2^2143041551 is an apocalyptic number.

2143041551 is a deficient number, since it is larger than the sum of its proper divisors (307475569).

2143041551 is a wasteful number, since it uses less digits than its factorization.

2143041551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165853.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2143041551 is about 46292.9967813707. The cubic root of 2143041551 is about 1289.2689708649.

Adding to 2143041551 its reverse (1551403412), we get a palindrome (3694444963).

The spelling of 2143041551 in words is "two billion, one hundred forty-three million, forty-one thousand, five hundred fifty-one".