3649860273127 has 4 divisors (see below), whose sum is σ = 3685997503656. Its totient is φ = 3613723042600.

The previous prime is 3649860273121. The next prime is 3649860273131. The reversal of 3649860273127 is 7213720689463.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3649860273127 - 2¹⁹ = 3649859748839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649860273121) 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 3 ways as a sum of consecutive naturals, for example, 18068615113 + ... + 18068615314.

It is an arithmetic number, because the mean of its divisors is an integer number (921499375914).

Almost surely, 2^{3649860273127} is an apocalyptic number.

3649860273127 is a deficient number, since it is larger than the sum of its proper divisors (36137230529).

3649860273127 is a wasteful number, since it uses less digits than its factorization.

3649860273127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36137230528.

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 3649860273127 in words is "three trillion, six hundred forty-nine billion, eight hundred sixty million, two hundred seventy-three thousand, one hundred twenty-seven".