98163648771049 has 9 divisors (see below), whose sum is σ = 98273916926661. Its totient is φ = 98053504236480.

The previous prime is 98163648771043. The next prime is 98163648771079. The reversal of 98163648771049 is 94017784636189.

The square root of 98163648771049 is 9907757.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3223335483225 + 94940313287824 = 1795365^2 + 9743732^2 .

It is not a de Polignac number, because 98163648771049 - 2⁵ = 98163648771017 is a prime.

It is a super-2 number, since 2×98163648771049² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98163648771043) 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 8 ways as a sum of consecutive naturals, for example, 9679873519 + ... + 9679883659.

Almost surely, 2^{98163648771049} is an apocalyptic number.

98163648771049 is the 9907757-th square number.

98163648771049 is the 4953879-th centered octagonal number.

It is an amenable number.

98163648771049 is a deficient number, since it is larger than the sum of its proper divisors (110268155612).

98163648771049 is an frugal number, since it uses more digits than its factorization.

98163648771049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22236 (or 11118 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 73.

The spelling of 98163648771049 in words is "ninety-eight trillion, one hundred sixty-three billion, six hundred forty-eight million, seven hundred seventy-one thousand, forty-nine".