200637878741 has 2 divisors, whose sum is σ = 200637878742. Its totient is φ = 200637878740.

The previous prime is 200637878729. The next prime is 200637878743. The reversal of 200637878741 is 147878736002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200511406225 + 126472516 = 447785^2 + 11246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200637878741 is a prime.

Together with 200637878743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200637878743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100318939370 + 100318939371.

It is an arithmetic number, because the mean of its divisors is an integer number (100318939371).

Almost surely, 2^200637878741 is an apocalyptic number.

It is an amenable number.

200637878741 is a deficient number, since it is larger than the sum of its proper divisors (1).

200637878741 is an equidigital number, since it uses as much as digits as its factorization.

200637878741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3161088, while the sum is 53.

The spelling of 200637878741 in words is "two hundred billion, six hundred thirty-seven million, eight hundred seventy-eight thousand, seven hundred forty-one".