189207648590 has 16 divisors (see below), whose sum is σ = 342542405088. Its totient is φ = 75245584416.

The previous prime is 189207648587. The next prime is 189207648593. The reversal of 189207648590 is 95846702981.

189207648590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (189207648587) and next prime (189207648593).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189207648593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54682562 + ... + 54686021.

It is an arithmetic number, because the mean of its divisors is an integer number (21408900318).

Almost surely, 2^189207648590 is an apocalyptic number.

189207648590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189207648590 is a deficient number, since it is larger than the sum of its proper divisors (153334756498).

189207648590 is a wasteful number, since it uses less digits than its factorization.

189207648590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109368763.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 189207648590 in words is "one hundred eighty-nine billion, two hundred seven million, six hundred forty-eight thousand, five hundred ninety".