201713669 has 4 divisors (see below), whose sum is σ = 203253600. Its totient is φ = 200173740.

The previous prime is 201713639. The next prime is 201713689. The reversal of 201713669 is 966317102.

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 a de Polignac number, because none of the positive numbers 2^k-201713669 is a prime.

It is a super-2 number, since 2×201713669² = 81376808522883122, which 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 (201713639) 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, 769769 + ... + 770030.

It is an arithmetic number, because the mean of its divisors is an integer number (50813400).

Almost surely, 2^201713669 is an apocalyptic number.

It is an amenable number.

201713669 is a deficient number, since it is larger than the sum of its proper divisors (1539931).

201713669 is a wasteful number, since it uses less digits than its factorization.

201713669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539930.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 201713669 is about 14202.5937419895. The cubic root of 201713669 is about 586.4690659342.

The spelling of 201713669 in words is "two hundred one million, seven hundred thirteen thousand, six hundred sixty-nine".