43545002051 has 2 divisors, whose sum is σ = 43545002052. Its totient is φ = 43545002050.

The previous prime is 43545002027. The next prime is 43545002063. The reversal of 43545002051 is 15020054534.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43545002051 is a prime.

It is not a weakly prime, because it can be changed into another prime (43545002071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21772501025 + 21772501026.

It is an arithmetic number, because the mean of its divisors is an integer number (21772501026).

Almost surely, 2^43545002051 is an apocalyptic number.

43545002051 is a deficient number, since it is larger than the sum of its proper divisors (1).

43545002051 is an equidigital number, since it uses as much as digits as its factorization.

43545002051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 43545002051 its reverse (15020054534), we get a palindrome (58565056585).

The spelling of 43545002051 in words is "forty-three billion, five hundred forty-five million, two thousand, fifty-one".