8881649401634 has 8 divisors (see below), whose sum is σ = 14106149049708. Its totient is φ = 4179599718400.

The previous prime is 8881649401609. The next prime is 8881649401637. The reversal of 8881649401634 is 4361049461888.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8002081152025 + 879568249609 = 2828795^2 + 937853^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (8881649401637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130612491167 + ... + 130612491234.

Almost surely, 2^{8881649401634} is an apocalyptic number.

8881649401634 is a deficient number, since it is larger than the sum of its proper divisors (5224499648074).

8881649401634 is a wasteful number, since it uses less digits than its factorization.

8881649401634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261224982420.

The product of its (nonzero) digits is 31850496, while the sum is 62.

The spelling of 8881649401634 in words is "eight trillion, eight hundred eighty-one billion, six hundred forty-nine million, four hundred one thousand, six hundred thirty-four".