42453418933 has 2 divisors, whose sum is σ = 42453418934. Its totient is φ = 42453418932.

The previous prime is 42453418927. The next prime is 42453418993. The reversal of 42453418933 is 33981435424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37039696849 + 5413722084 = 192457^2 + 73578^2 .

It is a cyclic number.

It is not a de Polignac number, because 42453418933 - 2²⁹ = 41916548021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42453418993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21226709466 + 21226709467.

It is an arithmetic number, because the mean of its divisors is an integer number (21226709467).

Almost surely, 2^42453418933 is an apocalyptic number.

It is an amenable number.

42453418933 is a deficient number, since it is larger than the sum of its proper divisors (1).

42453418933 is an equidigital number, since it uses as much as digits as its factorization.

42453418933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 46.

The spelling of 42453418933 in words is "forty-two billion, four hundred fifty-three million, four hundred eighteen thousand, nine hundred thirty-three".