98358131641 has 27 divisors (see below), whose sum is σ = 125794588143. Its totient is φ = 76623882720.

The previous prime is 98358131617. The next prime is 98358131681. The reversal of 98358131641 is 14613185389.

The square root of 98358131641 is 313621.

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

It can be written as a sum of positive squares in only one way, i.e., 10566812025 + 87791319616 = 102795^2 + 296296^2 .

It is not a de Polignac number, because 98358131641 - 2⁹ = 98358131129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (98358131681) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 24146781 + ... + 24150853.

Almost surely, 2^98358131641 is an apocalyptic number.

98358131641 is the 313621-st square number.

98358131641 is the 156811-st centered octagonal number.

It is an amenable number.

98358131641 is a deficient number, since it is larger than the sum of its proper divisors (27436456502).

98358131641 is an frugal number, since it uses more digits than its factorization.

98358131641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8182 (or 4091 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

Multiplying 98358131641 by its sum of digits (49), we get a square (4819548450409 = 2195347²).

98358131641 divided by its sum of digits (49) gives a square (2007308809 = 44803²).

The spelling of 98358131641 in words is "ninety-eight billion, three hundred fifty-eight million, one hundred thirty-one thousand, six hundred forty-one".