209058384372 has 48 divisors (see below), whose sum is σ = 493614559872. Its totient is φ = 68858173440.

The previous prime is 209058384349. The next prime is 209058384421. The reversal of 209058384372 is 273483850902.

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, 592168 + ... + 876800.

It is an arithmetic number, because the mean of its divisors is an integer number (10283636664).

Almost surely, 2^209058384372 is an apocalyptic number.

It is an amenable number.

209058384372 is an abundant number, since it is smaller than the sum of its proper divisors (284556175500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

209058384372 is a wasteful number, since it uses less digits than its factorization.

209058384372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285368 (or 285366 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 209058384372 in words is "two hundred nine billion, fifty-eight million, three hundred eighty-four thousand, three hundred seventy-two".