98491961380 has 12 divisors (see below), whose sum is σ = 206833118940. Its totient is φ = 39396784544.

The previous prime is 98491961287. The next prime is 98491961387. The reversal of 98491961380 is 8316919489.

It can be written as a sum of positive squares in 2 ways, for example, as 55821622756 + 42670338624 = 236266^2 + 206568^2 .

It is not an unprimeable number, because it can be changed into a prime (98491961387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2462299015 + ... + 2462299054.

It is an arithmetic number, because the mean of its divisors is an integer number (17236093245).

Almost surely, 2^98491961380 is an apocalyptic number.

It is an amenable number.

98491961380 is an abundant number, since it is smaller than the sum of its proper divisors (108341157560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98491961380 is a wasteful number, since it uses less digits than its factorization.

98491961380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924598078 (or 4924598076 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 58.

The spelling of 98491961380 in words is "ninety-eight billion, four hundred ninety-one million, nine hundred sixty-one thousand, three hundred eighty".