89542375019 has 2 divisors, whose sum is σ = 89542375020. Its totient is φ = 89542375018.

The previous prime is 89542375009. The next prime is 89542375081. The reversal of 89542375019 is 91057324598.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89542375019 - 2²⁸ = 89273939563 is a prime.

It is a super-2 number, since 2×89542375019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89542375009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44771187509 + 44771187510.

It is an arithmetic number, because the mean of its divisors is an integer number (44771187510).

Almost surely, 2^89542375019 is an apocalyptic number.

89542375019 is a deficient number, since it is larger than the sum of its proper divisors (1).

89542375019 is an equidigital number, since it uses as much as digits as its factorization.

89542375019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 89542375019 in words is "eighty-nine billion, five hundred forty-two million, three hundred seventy-five thousand, nineteen".