6550989517345 has 64 divisors (see below), whose sum is σ = 10026281373696. Its totient is φ = 3997184163840.

The previous prime is 6550989517291. The next prime is 6550989517349. The reversal of 6550989517345 is 5437159890556.

It is not a de Polignac number, because 6550989517345 - 2⁴¹ = 4351966261793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6550989517349) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2721397 + ... + 4528573.

It is an arithmetic number, because the mean of its divisors is an integer number (156660646464).

Almost surely, 2^{6550989517345} is an apocalyptic number.

6550989517345 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6550989517345 is a deficient number, since it is larger than the sum of its proper divisors (3475291856351).

6550989517345 is a wasteful number, since it uses less digits than its factorization.

6550989517345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807490.

The product of its (nonzero) digits is 204120000, while the sum is 67.

The spelling of 6550989517345 in words is "six trillion, five hundred fifty billion, nine hundred eighty-nine million, five hundred seventeen thousand, three hundred forty-five".