98396642618 has 4 divisors (see below), whose sum is σ = 147594963930. Its totient is φ = 49198321308.

The previous prime is 98396642609. The next prime is 98396642621. The reversal of 98396642618 is 81624669389.

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., 88877323129 + 9519319489 = 298123^2 + 97567^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24599160653 + ... + 24599160656.

Almost surely, 2^98396642618 is an apocalyptic number.

98396642618 is a deficient number, since it is larger than the sum of its proper divisors (49198321312).

98396642618 is a wasteful number, since it uses less digits than its factorization.

98396642618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49198321311.

The product of its digits is 26873856, while the sum is 62.

The spelling of 98396642618 in words is "ninety-eight billion, three hundred ninety-six million, six hundred forty-two thousand, six hundred eighteen".