209130372903669 has 8 divisors (see below), whose sum is σ = 318674853948480. Its totient is φ = 119503070230656.

The previous prime is 209130372903631. The next prime is 209130372903671. The reversal of 209130372903669 is 966309273031902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 209130372903669 - 2¹¹ = 209130372901621 is a prime.

It is a super-2 number, since 2×209130372903669² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209130372953669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4979294592924 + ... + 4979294592965.

It is an arithmetic number, because the mean of its divisors is an integer number (39834356743560).

Almost surely, 2^{209130372903669} is an apocalyptic number.

It is an amenable number.

209130372903669 is a deficient number, since it is larger than the sum of its proper divisors (109544481044811).

209130372903669 is an equidigital number, since it uses as much as digits as its factorization.

209130372903669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9958589185899.

The product of its (nonzero) digits is 19840464, while the sum is 60.

The spelling of 209130372903669 in words is "two hundred nine trillion, one hundred thirty billion, three hundred seventy-two million, nine hundred three thousand, six hundred sixty-nine".