1484631562721 has 2 divisors, whose sum is σ = 1484631562722. Its totient is φ = 1484631562720.

The previous prime is 1484631562639. The next prime is 1484631562889. The reversal of 1484631562721 is 1272651364841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 948551332096 + 536080230625 = 973936^2 + 732175^2 .

It is a cyclic number.

It is not a de Polignac number, because 1484631562721 - 2³⁰ = 1483557820897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1484631562721.

It is not a weakly prime, because it can be changed into another prime (1484631562021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742315781360 + 742315781361.

It is an arithmetic number, because the mean of its divisors is an integer number (742315781361).

Almost surely, 2^{1484631562721} is an apocalyptic number.

It is an amenable number.

1484631562721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1484631562721 is an equidigital number, since it uses as much as digits as its factorization.

1484631562721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 50.

The spelling of 1484631562721 in words is "one trillion, four hundred eighty-four billion, six hundred thirty-one million, five hundred sixty-two thousand, seven hundred twenty-one".