89381267069 has 2 divisors, whose sum is σ = 89381267070. Its totient is φ = 89381267068.

The previous prime is 89381267033. The next prime is 89381267113. The reversal of 89381267069 is 96076218398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71307691225 + 18073575844 = 267035^2 + 134438^2 .

It is a cyclic number.

It is not a de Polignac number, because 89381267069 - 2⁸ = 89381266813 is a prime.

It is a super-2 number, since 2×89381267069² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89381266999 and 89381267017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89381267029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44690633534 + 44690633535.

It is an arithmetic number, because the mean of its divisors is an integer number (44690633535).

Almost surely, 2^89381267069 is an apocalyptic number.

It is an amenable number.

89381267069 is a deficient number, since it is larger than the sum of its proper divisors (1).

89381267069 is an equidigital number, since it uses as much as digits as its factorization.

89381267069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 89381267069 in words is "eighty-nine billion, three hundred eighty-one million, two hundred sixty-seven thousand, sixty-nine".