7474891064453 has 2 divisors, whose sum is σ = 7474891064454. Its totient is φ = 7474891064452.

The previous prime is 7474891064449. The next prime is 7474891064461. The reversal of 7474891064453 is 3544601984747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7017079146529 + 457811917924 = 2648977^2 + 676618^2 .

It is a cyclic number.

It is not a de Polignac number, because 7474891064453 - 2² = 7474891064449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7474891064413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3737445532226 + 3737445532227.

It is an arithmetic number, because the mean of its divisors is an integer number (3737445532227).

Almost surely, 2^{7474891064453} is an apocalyptic number.

It is an amenable number.

7474891064453 is a deficient number, since it is larger than the sum of its proper divisors (1).

7474891064453 is an equidigital number, since it uses as much as digits as its factorization.

7474891064453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81285120, while the sum is 62.

The spelling of 7474891064453 in words is "seven trillion, four hundred seventy-four billion, eight hundred ninety-one million, sixty-four thousand, four hundred fifty-three".