7409974553 has 2 divisors, whose sum is σ = 7409974554. Its totient is φ = 7409974552.

The previous prime is 7409974531. The next prime is 7409974591. The reversal of 7409974553 is 3554799047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7089134809 + 320839744 = 84197^2 + 17912^2 .

It is a cyclic number.

It is not a de Polignac number, because 7409974553 - 2⁶ = 7409974489 is a prime.

It is a super-2 number, since 2×7409974553² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7409974495 and 7409974504.

It is not a weakly prime, because it can be changed into another prime (7409971553) 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, 3704987276 + 3704987277.

It is an arithmetic number, because the mean of its divisors is an integer number (3704987277).

Almost surely, 2^7409974553 is an apocalyptic number.

It is an amenable number.

7409974553 is a deficient number, since it is larger than the sum of its proper divisors (1).

7409974553 is an equidigital number, since it uses as much as digits as its factorization.

7409974553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4762800, while the sum is 53.

The square root of 7409974553 is about 86081.2090586558. The cubic root of 7409974553 is about 1949.5703241766.

The spelling of 7409974553 in words is "seven billion, four hundred nine million, nine hundred seventy-four thousand, five hundred fifty-three".