3641687351249 has 16 divisors (see below), whose sum is σ = 3806753448960. Its totient is φ = 3477187686720.

The previous prime is 3641687351171. The next prime is 3641687351257. The reversal of 3641687351249 is 9421537861463.

It is a cyclic number.

It is not a de Polignac number, because 3641687351249 - 2⁸ = 3641687350993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3641687351849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29927072 + ... + 30048510.

It is an arithmetic number, because the mean of its divisors is an integer number (237922090560).

Almost surely, 2^{3641687351249} is an apocalyptic number.

It is an amenable number.

3641687351249 is a deficient number, since it is larger than the sum of its proper divisors (165066097711).

3641687351249 is a wasteful number, since it uses less digits than its factorization.

3641687351249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123760.

The product of its digits is 26127360, while the sum is 59.

The spelling of 3641687351249 in words is "three trillion, six hundred forty-one billion, six hundred eighty-seven million, three hundred fifty-one thousand, two hundred forty-nine".