189670753 has 2 divisors, whose sum is σ = 189670754. Its totient is φ = 189670752.

The previous prime is 189670699. The next prime is 189670823. The reversal of 189670753 is 357076981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112529664 + 77141089 = 10608^2 + 8783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189670753 is a prime.

It is a super-3 number, since 3×189670753³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (189670153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94835376 + 94835377.

It is an arithmetic number, because the mean of its divisors is an integer number (94835377).

Almost surely, 2^189670753 is an apocalyptic number.

It is an amenable number.

189670753 is a deficient number, since it is larger than the sum of its proper divisors (1).

189670753 is an equidigital number, since it uses as much as digits as its factorization.

189670753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 189670753 is about 13772.1005296941. The cubic root of 189670753 is about 574.5574444725.

The spelling of 189670753 in words is "one hundred eighty-nine million, six hundred seventy thousand, seven hundred fifty-three".