3651105673 has 4 divisors (see below), whose sum is σ = 3712988880. Its totient is φ = 3589222468.

The previous prime is 3651105649. The next prime is 3651105677. The reversal of 3651105673 is 3765011563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3765011563 = 47 ⋅80106629.

It is a cyclic number.

It is not a de Polignac number, because 3651105673 - 2⁵ = 3651105641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3651105677) 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, 30941515 + ... + 30941632.

It is an arithmetic number, because the mean of its divisors is an integer number (928247220).

Almost surely, 2^3651105673 is an apocalyptic number.

It is an amenable number.

3651105673 is a deficient number, since it is larger than the sum of its proper divisors (61883207).

3651105673 is an equidigital number, since it uses as much as digits as its factorization.

3651105673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61883206.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 3651105673 is about 60424.3797899490. The cubic root of 3651105673 is about 1539.8371775064.

The spelling of 3651105673 in words is "three billion, six hundred fifty-one million, one hundred five thousand, six hundred seventy-three".