209425002692 has 12 divisors (see below), whose sum is σ = 366777647376. Its totient is φ = 104631389160.

The previous prime is 209425002673. The next prime is 209425002701. The reversal of 209425002692 is 296200524902.

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 3 ways as a sum of consecutive naturals, for example, 20272238 + ... + 20282565.

It is an arithmetic number, because the mean of its divisors is an integer number (30564803948).

Almost surely, 2^209425002692 is an apocalyptic number.

It is an amenable number.

209425002692 is a deficient number, since it is larger than the sum of its proper divisors (157352644684).

209425002692 is a wasteful number, since it uses less digits than its factorization.

209425002692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40556098 (or 40556096 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 209425002692 in words is "two hundred nine billion, four hundred twenty-five million, two thousand, six hundred ninety-two".