47186190157189 has 2 divisors, whose sum is σ = 47186190157190. Its totient is φ = 47186190157188.

The previous prime is 47186190157187. The next prime is 47186190157199. The reversal of 47186190157189 is 98175109168174.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46667274509025 + 518915648164 = 6831345^2 + 720358^2 .

It is a cyclic number.

It is not a de Polignac number, because 47186190157189 - 2¹ = 47186190157187 is a prime.

Together with 47186190157187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47186190157187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23593095078594 + 23593095078595.

It is an arithmetic number, because the mean of its divisors is an integer number (23593095078595).

Almost surely, 2^{47186190157189} is an apocalyptic number.

It is an amenable number.

47186190157189 is a deficient number, since it is larger than the sum of its proper divisors (1).

47186190157189 is an equidigital number, since it uses as much as digits as its factorization.

47186190157189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30481920, while the sum is 67.

The spelling of 47186190157189 in words is "forty-seven trillion, one hundred eighty-six billion, one hundred ninety million, one hundred fifty-seven thousand, one hundred eighty-nine".