42654133217 has 2 divisors, whose sum is σ = 42654133218. Its totient is φ = 42654133216.

The previous prime is 42654133183. The next prime is 42654133229. The reversal of 42654133217 is 71233145624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39968406241 + 2685726976 = 199921^2 + 51824^2 .

It is a cyclic number.

It is not a de Polignac number, because 42654133217 - 2¹² = 42654129121 is a prime.

It is not a weakly prime, because it can be changed into another prime (42654135217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21327066608 + 21327066609.

It is an arithmetic number, because the mean of its divisors is an integer number (21327066609).

Almost surely, 2^42654133217 is an apocalyptic number.

It is an amenable number.

42654133217 is a deficient number, since it is larger than the sum of its proper divisors (1).

42654133217 is an equidigital number, since it uses as much as digits as its factorization.

42654133217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The spelling of 42654133217 in words is "forty-two billion, six hundred fifty-four million, one hundred thirty-three thousand, two hundred seventeen".