189647076458 has 16 divisors (see below), whose sum is σ = 325137269184. Its totient is φ = 81270319680.

The previous prime is 189647076439. The next prime is 189647076473. The reversal of 189647076458 is 854670746981.

It is a junction number, because it is equal to n+sod(n) for n = 189647076394 and 189647076403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413135 + ... + 741602.

It is an arithmetic number, because the mean of its divisors is an integer number (20321079324).

Almost surely, 2^189647076458 is an apocalyptic number.

189647076458 is a deficient number, since it is larger than the sum of its proper divisors (135490192726).

189647076458 is a wasteful number, since it uses less digits than its factorization.

189647076458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166477.

The product of its (nonzero) digits is 81285120, while the sum is 65.

The spelling of 189647076458 in words is "one hundred eighty-nine billion, six hundred forty-seven million, seventy-six thousand, four hundred fifty-eight".