209600125993 has 4 divisors (see below), whose sum is σ = 209612352640. Its totient is φ = 209587899348.

The previous prime is 209600125991. The next prime is 209600126033. The reversal of 209600125993 is 399521006902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 209600125993 - 2¹ = 209600125991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (209600125991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6087573 + ... + 6121906.

It is an arithmetic number, because the mean of its divisors is an integer number (52403088160).

Almost surely, 2^209600125993 is an apocalyptic number.

It is an amenable number.

209600125993 is a deficient number, since it is larger than the sum of its proper divisors (12226647).

209600125993 is a wasteful number, since it uses less digits than its factorization.

209600125993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12226646.

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 209600125993 in words is "two hundred nine billion, six hundred million, one hundred twenty-five thousand, nine hundred ninety-three".