7478631021241 has 2 divisors, whose sum is σ = 7478631021242. Its totient is φ = 7478631021240.

The previous prime is 7478631021223. The next prime is 7478631021259. The reversal of 7478631021241 is 1421201368747.

It is a balanced prime because it is at equal distance from previous prime (7478631021223) and next prime (7478631021259).

It can be written as a sum of positive squares in only one way, i.e., 6868482566841 + 610148454400 = 2620779^2 + 781120^2 .

It is a cyclic number.

It is not a de Polignac number, because 7478631021241 - 2¹⁵ = 7478630988473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7478631021191 and 7478631021200.

It is not a weakly prime, because it can be changed into another prime (7478631021221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3739315510620 + 3739315510621.

It is an arithmetic number, because the mean of its divisors is an integer number (3739315510621).

Almost surely, 2^{7478631021241} is an apocalyptic number.

It is an amenable number.

7478631021241 is a deficient number, since it is larger than the sum of its proper divisors (1).

7478631021241 is an equidigital number, since it uses as much as digits as its factorization.

7478631021241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 46.

Adding to 7478631021241 its reverse (1421201368747), we get a palindrome (8899832389988).

The spelling of 7478631021241 in words is "seven trillion, four hundred seventy-eight billion, six hundred thirty-one million, twenty-one thousand, two hundred forty-one".