69850081 has 4 divisors (see below), whose sum is σ = 79828672. Its totient is φ = 59871492.

The previous prime is 69850051. The next prime is 69850087. The reversal of 69850081 is 18005896.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69850081 - 2⁵ = 69850049 is a prime.

It is a super-2 number, since 2×69850081² = 9758067631413122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69850081.

It is not an unprimeable number, because it can be changed into a prime (69850087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4989285 + ... + 4989298.

It is an arithmetic number, because the mean of its divisors is an integer number (19957168).

Almost surely, 2^69850081 is an apocalyptic number.

It is an amenable number.

69850081 is a deficient number, since it is larger than the sum of its proper divisors (9978591).

69850081 is an equidigital number, since it uses as much as digits as its factorization.

69850081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9978590.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 69850081 is about 8357.6360892300. The cubic root of 69850081 is about 411.8341011304.

The spelling of 69850081 in words is "sixty-nine million, eight hundred fifty thousand, eighty-one".