2017172040399 has 12 divisors (see below), whose sum is σ = 3085086650256. Its totient is φ = 1265676574272.

The previous prime is 2017172040383. The next prime is 2017172040461. The reversal of 2017172040399 is 9930402717102.

2017172040399 is a `hidden beast` number, since 2 + 0 + 171 + 72 + 0 + 403 + 9 + 9 = 666.

It is not a de Polignac number, because 2017172040399 - 2⁴ = 2017172040383 is a prime.

It is a super-4 number, since 4×2017172040399⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2017172040349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6592065339 + ... + 6592065644.

It is an arithmetic number, because the mean of its divisors is an integer number (257090554188).

Almost surely, 2^{2017172040399} is an apocalyptic number.

2017172040399 is a deficient number, since it is larger than the sum of its proper divisors (1067914609857).

2017172040399 is a wasteful number, since it uses less digits than its factorization.

2017172040399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13184131006 (or 13184131003 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 2017172040399 in words is "two trillion, seventeen billion, one hundred seventy-two million, forty thousand, three hundred ninety-nine".