42434244431611 has 2 divisors, whose sum is σ = 42434244431612. Its totient is φ = 42434244431610.

The previous prime is 42434244431599. The next prime is 42434244431629. The reversal of 42434244431611 is 11613444243424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42434244431611 is a prime.

It is not a weakly prime, because it can be changed into another prime (42434244431911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21217122215805 + 21217122215806.

It is an arithmetic number, because the mean of its divisors is an integer number (21217122215806).

Almost surely, 2^{42434244431611} is an apocalyptic number.

42434244431611 is a deficient number, since it is larger than the sum of its proper divisors (1).

42434244431611 is an equidigital number, since it uses as much as digits as its factorization.

42434244431611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 884736, while the sum is 43.

The spelling of 42434244431611 in words is "forty-two trillion, four hundred thirty-four billion, two hundred forty-four million, four hundred thirty-one thousand, six hundred eleven".