1478062441721 has 16 divisors (see below), whose sum is σ = 1571160084480. Its totient is φ = 1385650920960.

The previous prime is 1478062441717. The next prime is 1478062441733. The reversal of 1478062441721 is 1271442608741.

It is a cyclic number.

It is not a de Polignac number, because 1478062441721 - 2² = 1478062441717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1478062441771) 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, 20275880 + ... + 20348646.

It is an arithmetic number, because the mean of its divisors is an integer number (98197505280).

Almost surely, 2^{1478062441721} is an apocalyptic number.

It is an amenable number.

1478062441721 is a deficient number, since it is larger than the sum of its proper divisors (93097642759).

1478062441721 is a wasteful number, since it uses less digits than its factorization.

1478062441721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77464.

The product of its (nonzero) digits is 602112, while the sum is 47.

The spelling of 1478062441721 in words is "one trillion, four hundred seventy-eight billion, sixty-two million, four hundred forty-one thousand, seven hundred twenty-one".