7421034581 has 2 divisors, whose sum is σ = 7421034582. Its totient is φ = 7421034580.

The previous prime is 7421034539. The next prime is 7421034623. The reversal of 7421034581 is 1854301247.

It is a balanced prime because it is at equal distance from previous prime (7421034539) and next prime (7421034623).

It can be written as a sum of positive squares in only one way, i.e., 4133847025 + 3287187556 = 64295^2 + 57334^2 .

It is an emirp because it is prime and its reverse (1854301247) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7421034581 is a prime.

It is a super-2 number, since 2×7421034581² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7421034521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710517290 + 3710517291.

It is an arithmetic number, because the mean of its divisors is an integer number (3710517291).

Almost surely, 2^7421034581 is an apocalyptic number.

It is an amenable number.

7421034581 is a deficient number, since it is larger than the sum of its proper divisors (1).

7421034581 is an equidigital number, since it uses as much as digits as its factorization.

7421034581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 7421034581 is about 86145.4269302788. The cubic root of 7421034581 is about 1950.5398094400.

The spelling of 7421034581 in words is "seven billion, four hundred twenty-one million, thirty-four thousand, five hundred eighty-one".