2151012443 has 2 divisors, whose sum is σ = 2151012444. Its totient is φ = 2151012442.

The previous prime is 2151012433. The next prime is 2151012449. The reversal of 2151012443 is 3442101512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2151012443 - 2¹⁴ = 2150996059 is a prime.

It is not a weakly prime, because it can be changed into another prime (2151012449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075506221 + 1075506222.

It is an arithmetic number, because the mean of its divisors is an integer number (1075506222).

Almost surely, 2^2151012443 is an apocalyptic number.

2151012443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151012443 is an equidigital number, since it uses as much as digits as its factorization.

2151012443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2151012443 is about 46379.0086461537. The cubic root of 2151012443 is about 1290.8654415328.

Adding to 2151012443 its reverse (3442101512), we get a palindrome (5593113955).

The spelling of 2151012443 in words is "two billion, one hundred fifty-one million, twelve thousand, four hundred forty-three".