189463753 has 2 divisors, whose sum is σ = 189463754. Its totient is φ = 189463752.

The previous prime is 189463751. The next prime is 189463783. The reversal of 189463753 is 357364981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108409744 + 81054009 = 10412^2 + 9003^2 .

It is a cyclic number.

It is not a de Polignac number, because 189463753 - 2¹ = 189463751 is a prime.

Together with 189463751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (189463751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94731876 + 94731877.

It is an arithmetic number, because the mean of its divisors is an integer number (94731877).

Almost surely, 2^189463753 is an apocalyptic number.

It is an amenable number.

189463753 is a deficient number, since it is larger than the sum of its proper divisors (1).

189463753 is an equidigital number, since it uses as much as digits as its factorization.

189463753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 46.

The square root of 189463753 is about 13764.5832846476. The cubic root of 189463753 is about 574.3483511147.

The spelling of 189463753 in words is "one hundred eighty-nine million, four hundred sixty-three thousand, seven hundred fifty-three".