189949178345483 has 2 divisors, whose sum is σ = 189949178345484. Its totient is φ = 189949178345482.

The previous prime is 189949178345471. The next prime is 189949178345491. The reversal of 189949178345483 is 384543871949981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189949178345483 - 2²⁸ = 189948909910027 is a prime.

It is not a weakly prime, because it can be changed into another prime (189949178365483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94974589172741 + 94974589172742.

It is an arithmetic number, because the mean of its divisors is an integer number (94974589172742).

Almost surely, 2^{189949178345483} is an apocalyptic number.

189949178345483 is a deficient number, since it is larger than the sum of its proper divisors (1).

189949178345483 is an equidigital number, since it uses as much as digits as its factorization.

189949178345483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7524679680, while the sum is 83.

The spelling of 189949178345483 in words is "one hundred eighty-nine trillion, nine hundred forty-nine billion, one hundred seventy-eight million, three hundred forty-five thousand, four hundred eighty-three".