189848951 has 2 divisors, whose sum is σ = 189848952. Its totient is φ = 189848950.

The previous prime is 189848921. The next prime is 189848957. The reversal of 189848951 is 159848981.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (159848981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189848951 - 2²² = 185654647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189848893 and 189848902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189848957) 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, 94924475 + 94924476.

It is an arithmetic number, because the mean of its divisors is an integer number (94924476).

Almost surely, 2^189848951 is an apocalyptic number.

189848951 is a deficient number, since it is larger than the sum of its proper divisors (1).

189848951 is an equidigital number, since it uses as much as digits as its factorization.

189848951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 53.

The square root of 189848951 is about 13778.5685395835. The cubic root of 189848951 is about 574.7373227415.

The spelling of 189848951 in words is "one hundred eighty-nine million, eight hundred forty-eight thousand, nine hundred fifty-one".