1471611221644 has 6 divisors (see below), whose sum is σ = 2575319637884. Its totient is φ = 735805610820.

The previous prime is 1471611221617. The next prime is 1471611221651. The reversal of 1471611221644 is 4461221161741.

It is a junction number, because it is equal to n+sod(n) for n = 1471611221597 and 1471611221606.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183951402702 + ... + 183951402709.

Almost surely, 2^{1471611221644} is an apocalyptic number.

It is an amenable number.

1471611221644 is a deficient number, since it is larger than the sum of its proper divisors (1103708416240).

1471611221644 is a wasteful number, since it uses less digits than its factorization.

1471611221644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367902805415 (or 367902805413 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The spelling of 1471611221644 in words is "one trillion, four hundred seventy-one billion, six hundred eleven million, two hundred twenty-one thousand, six hundred forty-four".