3653797521673 has 16 divisors (see below), whose sum is σ = 4062032429056. Its totient is φ = 3263743264320.

The previous prime is 3653797521637. The next prime is 3653797521691. The reversal of 3653797521673 is 3761257973563.

3653797521673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3653797521673 - 2³⁷ = 3516358568201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3653797527673) 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, 6706936 + ... + 7231222.

It is an arithmetic number, because the mean of its divisors is an integer number (253877026816).

Almost surely, 2^{3653797521673} is an apocalyptic number.

It is an amenable number.

3653797521673 is a deficient number, since it is larger than the sum of its proper divisors (408234907383).

3653797521673 is a wasteful number, since it uses less digits than its factorization.

3653797521673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541624.

The product of its digits is 150028200, while the sum is 64.

The spelling of 3653797521673 in words is "three trillion, six hundred fifty-three billion, seven hundred ninety-seven million, five hundred twenty-one thousand, six hundred seventy-three".