6900172048917 has 108 divisors (see below), whose sum is σ = 12383954200800. Its totient is φ = 3690419219424.

The previous prime is 6900172048897. The next prime is 6900172048933. The reversal of 6900172048917 is 7198402710096.

6900172048917 is a `hidden beast` number, since 6 + 90 + 0 + 1 + 72 + 0 + 489 + 1 + 7 = 666.

It is not a de Polignac number, because 6900172048917 - 2⁷ = 6900172048789 is a prime.

It is a super-3 number, since 3×6900172048917³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6900172048417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 12952584 + ... + 13474782.

It is an arithmetic number, because the mean of its divisors is an integer number (114666242600).

Almost surely, 2^{6900172048917} is an apocalyptic number.

It is an amenable number.

6900172048917 is a deficient number, since it is larger than the sum of its proper divisors (5483782151883).

6900172048917 is a wasteful number, since it uses less digits than its factorization.

6900172048917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522340 (or 522311 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 6900172048917 in words is "six trillion, nine hundred billion, one hundred seventy-two million, forty-eight thousand, nine hundred seventeen".