209074794604 has 48 divisors (see below), whose sum is σ = 409085006400. Its totient is φ = 92832074496.

The previous prime is 209074794587. The next prime is 209074794629. The reversal of 209074794604 is 406497470902.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 167457 + ... + 667975.

It is an arithmetic number, because the mean of its divisors is an integer number (8522604300).

Almost surely, 2^209074794604 is an apocalyptic number.

It is an amenable number.

209074794604 is a deficient number, since it is larger than the sum of its proper divisors (200010211796).

209074794604 is a wasteful number, since it uses less digits than its factorization.

209074794604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500842 (or 500840 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 209074794604 in words is "two hundred nine billion, seventy-four million, seven hundred ninety-four thousand, six hundred four".