98409601381 has 32 divisors (see below), whose sum is σ = 122515868160. Its totient is φ = 76966834176.

The previous prime is 98409601373. The next prime is 98409601393. The reversal of 98409601381 is 18310690489.

It is a cyclic number.

It is not a de Polignac number, because 98409601381 - 2³ = 98409601373 is a prime.

It is a super-2 number, since 2×98409601381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98409601321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7823265 + ... + 7835833.

It is an arithmetic number, because the mean of its divisors is an integer number (3828620880).

Almost surely, 2^98409601381 is an apocalyptic number.

98409601381 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

98409601381 is a deficient number, since it is larger than the sum of its proper divisors (24106266779).

98409601381 is a wasteful number, since it uses less digits than its factorization.

98409601381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13573.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 98409601381 in words is "ninety-eight billion, four hundred nine million, six hundred one thousand, three hundred eighty-one".