202191473027 has 2 divisors, whose sum is σ = 202191473028. Its totient is φ = 202191473026.

The previous prime is 202191472963. The next prime is 202191473041. The reversal of 202191473027 is 720374191202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202191473027 - 2⁶ = 202191472963 is a prime.

It is not a weakly prime, because it can be changed into another prime (202191470027) by changing a digit.

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 as a sum of consecutive naturals, namely, 101095736513 + 101095736514.

It is an arithmetic number, because the mean of its divisors is an integer number (101095736514).

Almost surely, 2^202191473027 is an apocalyptic number.

202191473027 is a deficient number, since it is larger than the sum of its proper divisors (1).

202191473027 is an equidigital number, since it uses as much as digits as its factorization.

202191473027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 202191473027 in words is "two hundred two billion, one hundred ninety-one million, four hundred seventy-three thousand, twenty-seven".