200191951037 has 4 divisors (see below), whose sum is σ = 215591331900. Its totient is φ = 184792570176.

The previous prime is 200191950979. The next prime is 200191951051. The reversal of 200191951037 is 730159191002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 134022620281 + 66169330756 = 366091^2 + 257234^2 .

It is a cyclic number.

It is not a de Polignac number, because 200191951037 - 2⁸ = 200191950781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200191951087) 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, 7699690412 + ... + 7699690437.

It is an arithmetic number, because the mean of its divisors is an integer number (53897832975).

Almost surely, 2^200191951037 is an apocalyptic number.

It is an amenable number.

200191951037 is a deficient number, since it is larger than the sum of its proper divisors (15399380863).

200191951037 is a wasteful number, since it uses less digits than its factorization.

200191951037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15399380862.

The product of its (nonzero) digits is 17010, while the sum is 38.

The spelling of 200191951037 in words is "two hundred billion, one hundred ninety-one million, nine hundred fifty-one thousand, thirty-seven".