189760220198863 has 2 divisors, whose sum is σ = 189760220198864. Its totient is φ = 189760220198862.

The previous prime is 189760220198851. The next prime is 189760220198897. The reversal of 189760220198863 is 368891022067981.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189760220198863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189760220198792 and 189760220198801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189760220198803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94880110099431 + 94880110099432.

It is an arithmetic number, because the mean of its divisors is an integer number (94880110099432).

Almost surely, 2^{189760220198863} is an apocalyptic number.

189760220198863 is a deficient number, since it is larger than the sum of its proper divisors (1).

189760220198863 is an equidigital number, since it uses as much as digits as its factorization.

189760220198863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125411328, while the sum is 70.

The spelling of 189760220198863 in words is "one hundred eighty-nine trillion, seven hundred sixty billion, two hundred twenty million, one hundred ninety-eight thousand, eight hundred sixty-three".