3641687351247 has 64 divisors (see below), whose sum is σ = 5513614977024. Its totient is φ = 2118658314240.

The previous prime is 3641687351171. The next prime is 3641687351257. The reversal of 3641687351247 is 7421537861463.

It is not a de Polignac number, because 3641687351247 - 2²⁶ = 3641620242383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641687351257) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 341712543 + ... + 341723199.

It is an arithmetic number, because the mean of its divisors is an integer number (86150234016).

Almost surely, 2^{3641687351247} is an apocalyptic number.

3641687351247 is a deficient number, since it is larger than the sum of its proper divisors (1871927625777).

3641687351247 is a wasteful number, since it uses less digits than its factorization.

3641687351247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14928.

The product of its digits is 20321280, while the sum is 57.

The spelling of 3641687351247 in words is "three trillion, six hundred forty-one billion, six hundred eighty-seven million, three hundred fifty-one thousand, two hundred forty-seven".