209035393652 has 48 divisors (see below), whose sum is σ = 373080496320. Its totient is φ = 102453427200.

The previous prime is 209035393573. The next prime is 209035393687. The reversal of 209035393652 is 256393530902.

It is a junction number, because it is equal to n+sod(n) for n = 209035393597 and 209035393606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133058027 + ... + 133059597.

It is an arithmetic number, because the mean of its divisors is an integer number (7772510340).

Almost surely, 2^209035393652 is an apocalyptic number.

It is an amenable number.

209035393652 is a deficient number, since it is larger than the sum of its proper divisors (164045102668).

209035393652 is a wasteful number, since it uses less digits than its factorization.

209035393652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152 (or 3150 counting only the distinct ones).

The product of its (nonzero) digits is 1312200, while the sum is 47.

The spelling of 209035393652 in words is "two hundred nine billion, thirty-five million, three hundred ninety-three thousand, six hundred fifty-two".