669900010100101 has 4 divisors (see below), whose sum is σ = 730800011018304. Its totient is φ = 609000009181900.

The previous prime is 669900010100063. The next prime is 669900010100107. The reversal of 669900010100101 is 101001010009966.

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 669900010100101 - 2¹³ = 669900010091909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669900010100107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30450000459085 + ... + 30450000459106.

It is an arithmetic number, because the mean of its divisors is an integer number (182700002754576).

Almost surely, 2^{669900010100101} is an apocalyptic number.

It is an amenable number.

669900010100101 is a deficient number, since it is larger than the sum of its proper divisors (60900000918203).

669900010100101 is a wasteful number, since it uses less digits than its factorization.

669900010100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60900000918202.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 669900010100101 in words is "six hundred sixty-nine trillion, nine hundred billion, ten million, one hundred thousand, one hundred one".