2151514443 has 16 divisors (see below), whose sum is σ = 3172852256. Its totient is φ = 1288224000.

The previous prime is 2151514429. The next prime is 2151514447. The reversal of 2151514443 is 3444151512.

It is not a de Polignac number, because 2151514443 - 2⁴ = 2151514427 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 2151514443.

It is not an unprimeable number, because it can be changed into a prime (2151514447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744058 + ... + 746943.

It is an arithmetic number, because the mean of its divisors is an integer number (198303266).

Almost surely, 2^2151514443 is an apocalyptic number.

2151514443 is a deficient number, since it is larger than the sum of its proper divisors (1021337813).

2151514443 is a wasteful number, since it uses less digits than its factorization.

2151514443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491054.

The product of its digits is 9600, while the sum is 30.

The square root of 2151514443 is about 46384.4202615490. The cubic root of 2151514443 is about 1290.9658537905.

Adding to 2151514443 its reverse (3444151512), we get a palindrome (5595665955).

The spelling of 2151514443 in words is "two billion, one hundred fifty-one million, five hundred fourteen thousand, four hundred forty-three".