3477663445721 has 16 divisors (see below), whose sum is σ = 3574208441664. Its totient is φ = 3382480257024.

The previous prime is 3477663445717. The next prime is 3477663445723. The reversal of 3477663445721 is 1275443667743.

It is a cyclic number.

It is not a de Polignac number, because 3477663445721 - 2² = 3477663445717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3477663445723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9252761 + ... + 9621273.

It is an arithmetic number, because the mean of its divisors is an integer number (223388027604).

Almost surely, 2^{3477663445721} is an apocalyptic number.

It is an amenable number.

3477663445721 is a deficient number, since it is larger than the sum of its proper divisors (96544995943).

3477663445721 is a wasteful number, since it uses less digits than its factorization.

3477663445721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370360.

The product of its digits is 71124480, while the sum is 59.

The spelling of 3477663445721 in words is "three trillion, four hundred seventy-seven billion, six hundred sixty-three million, four hundred forty-five thousand, seven hundred twenty-one".