69650020106 has 4 divisors (see below), whose sum is σ = 104475030162. Its totient is φ = 34825010052.

The previous prime is 69650020103. The next prime is 69650020109. The reversal of 69650020106 is 60102005696.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (69650020103) and next prime (69650020109).

It can be written as a sum of positive squares in only one way, i.e., 40797940225 + 28852079881 = 201985^2 + 169859^2 .

It is a super-2 number, since 2×69650020106² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69650020103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17412505025 + ... + 17412505028.

Almost surely, 2^69650020106 is an apocalyptic number.

69650020106 is a deficient number, since it is larger than the sum of its proper divisors (34825010056).

69650020106 is a wasteful number, since it uses less digits than its factorization.

69650020106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34825010055.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 69650020106 in words is "sixty-nine billion, six hundred fifty million, twenty thousand, one hundred six".