39898148569201 has 4 divisors (see below), whose sum is σ = 42967236920692. Its totient is φ = 36829060217712.

The previous prime is 39898148569171. The next prime is 39898148569211. The reversal of 39898148569201 is 10296584189893.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27597696729201 + 12300451840000 = 5253351^2 + 3507200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39898148569201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39898148569211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1534544175726 + ... + 1534544175751.

It is an arithmetic number, because the mean of its divisors is an integer number (10741809230173).

Almost surely, 2^{39898148569201} is an apocalyptic number.

It is an amenable number.

39898148569201 is a deficient number, since it is larger than the sum of its proper divisors (3069088351491).

39898148569201 is a wasteful number, since it uses less digits than its factorization.

39898148569201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069088351490.

The product of its (nonzero) digits is 268738560, while the sum is 73.

The spelling of 39898148569201 in words is "thirty-nine trillion, eight hundred ninety-eight billion, one hundred forty-eight million, five hundred sixty-nine thousand, two hundred one".