889142952146 has 4 divisors (see below), whose sum is σ = 1333714428222. Its totient is φ = 444571476072.

The previous prime is 889142952133. The next prime is 889142952179. The reversal of 889142952146 is 641259241988.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 585829506025 + 303313446121 = 765395^2 + 550739^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222285738035 + ... + 222285738038.

Almost surely, 2^889142952146 is an apocalyptic number.

889142952146 is a deficient number, since it is larger than the sum of its proper divisors (444571476076).

889142952146 is a wasteful number, since it uses less digits than its factorization.

889142952146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444571476075.

The product of its digits is 9953280, while the sum is 59.

The spelling of 889142952146 in words is "eight hundred eighty-nine billion, one hundred forty-two million, nine hundred fifty-two thousand, one hundred forty-six".