538442989087 has 2 divisors, whose sum is σ = 538442989088. Its totient is φ = 538442989086.

The previous prime is 538442989079. The next prime is 538442989121. The reversal of 538442989087 is 780989244835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538442989087 - 2³ = 538442989079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538442987087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269221494543 + 269221494544.

It is an arithmetic number, because the mean of its divisors is an integer number (269221494544).

Almost surely, 2^538442989087 is an apocalyptic number.

538442989087 is a deficient number, since it is larger than the sum of its proper divisors (1).

538442989087 is an equidigital number, since it uses as much as digits as its factorization.

538442989087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139345920, while the sum is 67.

The spelling of 538442989087 in words is "five hundred thirty-eight billion, four hundred forty-two million, nine hundred eighty-nine thousand, eighty-seven".