2151034243 has 2 divisors, whose sum is σ = 2151034244. Its totient is φ = 2151034242.

The previous prime is 2151034217. The next prime is 2151034253. The reversal of 2151034243 is 3424301512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2151034243 - 2²⁵ = 2117479811 is a prime.

It is not a weakly prime, because it can be changed into another prime (2151034253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075517121 + 1075517122.

It is an arithmetic number, because the mean of its divisors is an integer number (1075517122).

Almost surely, 2^2151034243 is an apocalyptic number.

2151034243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151034243 is an equidigital number, since it uses as much as digits as its factorization.

2151034243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2151034243 is about 46379.2436656744. The cubic root of 2151034243 is about 1290.8698023896.

Adding to 2151034243 its reverse (3424301512), we get a palindrome (5575335755).

The spelling of 2151034243 in words is "two billion, one hundred fifty-one million, thirty-four thousand, two hundred forty-three".