200947547389 has 2 divisors, whose sum is σ = 200947547390. Its totient is φ = 200947547388.

The previous prime is 200947547323. The next prime is 200947547407. The reversal of 200947547389 is 983745749002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178132955364 + 22814592025 = 422058^2 + 151045^2 .

It is a cyclic number.

It is not a de Polignac number, because 200947547389 - 2³⁷ = 63508593917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200947547989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100473773694 + 100473773695.

It is an arithmetic number, because the mean of its divisors is an integer number (100473773695).

Almost surely, 2^200947547389 is an apocalyptic number.

It is an amenable number.

200947547389 is a deficient number, since it is larger than the sum of its proper divisors (1).

200947547389 is an equidigital number, since it uses as much as digits as its factorization.

200947547389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 200947547389 in words is "two hundred billion, nine hundred forty-seven million, five hundred forty-seven thousand, three hundred eighty-nine".