98549917644 has 48 divisors (see below), whose sum is σ = 240061344768. Its totient is φ = 31406821248.

The previous prime is 98549917601. The next prime is 98549917717. The reversal of 98549917644 is 44671994589.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506269 + ... + 673355.

It is an arithmetic number, because the mean of its divisors is an integer number (5001278016).

Almost surely, 2^98549917644 is an apocalyptic number.

It is an amenable number.

98549917644 is an abundant number, since it is smaller than the sum of its proper divisors (141511427124).

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

98549917644 is a wasteful number, since it uses less digits than its factorization.

98549917644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169254 (or 169252 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 66.

The spelling of 98549917644 in words is "ninety-eight billion, five hundred forty-nine million, nine hundred seventeen thousand, six hundred forty-four".