209130372903670 has 32 divisors (see below), whose sum is σ = 377445315703680. Its totient is φ = 83427706183680.

The previous prime is 209130372903631. The next prime is 209130372903671. The reversal of 209130372903670 is 76309273031902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209130372903671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2524246 + ... + 20606614.

It is an arithmetic number, because the mean of its divisors is an integer number (11795166115740).

Almost surely, 2^{209130372903670} is an apocalyptic number.

209130372903670 is a deficient number, since it is larger than the sum of its proper divisors (168314942800010).

209130372903670 is a wasteful number, since it uses less digits than its factorization.

209130372903670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18085480.

The product of its (nonzero) digits is 2571912, while the sum is 52.

The spelling of 209130372903670 in words is "two hundred nine trillion, one hundred thirty billion, three hundred seventy-two million, nine hundred three thousand, six hundred seventy".