36434521243 has 2 divisors, whose sum is σ = 36434521244. Its totient is φ = 36434521242.

The previous prime is 36434521187. The next prime is 36434521313. The reversal of 36434521243 is 34212543463.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36434521243 is a prime.

It is not a weakly prime, because it can be changed into another prime (36434521843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18217260621 + 18217260622.

It is an arithmetic number, because the mean of its divisors is an integer number (18217260622).

Almost surely, 2^36434521243 is an apocalyptic number.

36434521243 is a deficient number, since it is larger than the sum of its proper divisors (1).

36434521243 is an equidigital number, since it uses as much as digits as its factorization.

36434521243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 37.

The spelling of 36434521243 in words is "thirty-six billion, four hundred thirty-four million, five hundred twenty-one thousand, two hundred forty-three".