42678298433 has 2 divisors, whose sum is σ = 42678298434. Its totient is φ = 42678298432.

The previous prime is 42678298373. The next prime is 42678298451. The reversal of 42678298433 is 33489287624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40349560384 + 2328738049 = 200872^2 + 48257^2 .

It is a cyclic number.

It is not a de Polignac number, because 42678298433 - 2¹⁶ = 42678232897 is a prime.

It is not a weakly prime, because it can be changed into another prime (42678298483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21339149216 + 21339149217.

It is an arithmetic number, because the mean of its divisors is an integer number (21339149217).

Almost surely, 2^42678298433 is an apocalyptic number.

It is an amenable number.

42678298433 is a deficient number, since it is larger than the sum of its proper divisors (1).

42678298433 is an equidigital number, since it uses as much as digits as its factorization.

42678298433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13934592, while the sum is 56.

The spelling of 42678298433 in words is "forty-two billion, six hundred seventy-eight million, two hundred ninety-eight thousand, four hundred thirty-three".