398101499870170 has 16 divisors (see below), whose sum is σ = 716850381062088. Its totient is φ = 159181115215680.

The previous prime is 398101499870111. The next prime is 398101499870203. The reversal of 398101499870170 is 71078994101893.

It can be written as a sum of positive squares in 4 ways, for example, as 210863245519161 + 187238254351009 = 14521131^2 + 13683503^2 .

It is a junction number, because it is equal to n+sod(n) for n = 398101499870096 and 398101499870105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7435563441 + ... + 7435616980.

Almost surely, 2^{398101499870170} is an apocalyptic number.

398101499870170 is a deficient number, since it is larger than the sum of its proper divisors (318748881191918).

398101499870170 is a wasteful number, since it uses less digits than its factorization.

398101499870170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14871183105.

The product of its (nonzero) digits is 27433728, while the sum is 67.

The spelling of 398101499870170 in words is "three hundred ninety-eight trillion, one hundred one billion, four hundred ninety-nine million, eight hundred seventy thousand, one hundred seventy".