7171483621 has 2 divisors, whose sum is σ = 7171483622. Its totient is φ = 7171483620.

The previous prime is 7171483607. The next prime is 7171483639. The reversal of 7171483621 is 1263841717.

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., 3883034596 + 3288449025 = 62314^2 + 57345^2 .

It is a cyclic number.

It is not a de Polignac number, because 7171483621 - 2⁵ = 7171483589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7171483601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3585741810 + 3585741811.

It is an arithmetic number, because the mean of its divisors is an integer number (3585741811).

Almost surely, 2^7171483621 is an apocalyptic number.

It is an amenable number.

7171483621 is a deficient number, since it is larger than the sum of its proper divisors (1).

7171483621 is an equidigital number, since it uses as much as digits as its factorization.

7171483621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 40.

The square root of 7171483621 is about 84684.6126577904. The cubic root of 7171483621 is about 1928.4261127697.

The spelling of 7171483621 in words is "seven billion, one hundred seventy-one million, four hundred eighty-three thousand, six hundred twenty-one".