538407225667 has 2 divisors, whose sum is σ = 538407225668. Its totient is φ = 538407225666.

The previous prime is 538407225649. The next prime is 538407225677. The reversal of 538407225667 is 766522704835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538407225667 - 2¹¹ = 538407223619 is a prime.

It is not a weakly prime, because it can be changed into another prime (538407225677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269203612833 + 269203612834.

It is an arithmetic number, because the mean of its divisors is an integer number (269203612834).

Almost surely, 2^538407225667 is an apocalyptic number.

538407225667 is a deficient number, since it is larger than the sum of its proper divisors (1).

538407225667 is an equidigital number, since it uses as much as digits as its factorization.

538407225667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16934400, while the sum is 55.

The spelling of 538407225667 in words is "five hundred thirty-eight billion, four hundred seven million, two hundred twenty-five thousand, six hundred sixty-seven".