189349373 has 2 divisors, whose sum is σ = 189349374. Its totient is φ = 189349372.

The previous prime is 189349361. The next prime is 189349397. The reversal of 189349373 is 373943981.

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., 117896164 + 71453209 = 10858^2 + 8453^2 .

It is an emirp because it is prime and its reverse (373943981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189349373 - 2⁶ = 189349309 is a prime.

It is a super-4 number, since 4×189349373⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189349343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94674686 + 94674687.

It is an arithmetic number, because the mean of its divisors is an integer number (94674687).

Almost surely, 2^189349373 is an apocalyptic number.

It is an amenable number.

189349373 is a deficient number, since it is larger than the sum of its proper divisors (1).

189349373 is an equidigital number, since it uses as much as digits as its factorization.

189349373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 47.

The square root of 189349373 is about 13760.4277913152. The cubic root of 189349373 is about 574.2327490753.

The spelling of 189349373 in words is "one hundred eighty-nine million, three hundred forty-nine thousand, three hundred seventy-three".