101285986069 has 4 divisors (see below), whose sum is σ = 101646434700. Its totient is φ = 100925537440.

The previous prime is 101285986057. The next prime is 101285986117. The reversal of 101285986069 is 960689582101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76499262225 + 24786723844 = 276585^2 + 157438^2 .

It is a cyclic number.

It is not a de Polignac number, because 101285986069 - 2⁵ = 101285986037 is a prime.

It is a super-2 number, since 2×101285986069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101285986019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180223894 + ... + 180224455.

It is an arithmetic number, because the mean of its divisors is an integer number (25411608675).

Almost surely, 2^101285986069 is an apocalyptic number.

It is an amenable number.

101285986069 is a deficient number, since it is larger than the sum of its proper divisors (360448631).

101285986069 is an equidigital number, since it uses as much as digits as its factorization.

101285986069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360448630.

The product of its (nonzero) digits is 1866240, while the sum is 55.

The spelling of 101285986069 in words is "one hundred one billion, two hundred eighty-five million, nine hundred eighty-six thousand, sixty-nine".