7474321543709 has 2 divisors, whose sum is σ = 7474321543710. Its totient is φ = 7474321543708.

The previous prime is 7474321543687. The next prime is 7474321543751. The reversal of 7474321543709 is 9073451234747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7035278808100 + 439042735609 = 2652410^2 + 662603^2 .

It is a cyclic number.

It is not a de Polignac number, because 7474321543709 - 2¹² = 7474321539613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7474321543109) 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, 3737160771854 + 3737160771855.

It is an arithmetic number, because the mean of its divisors is an integer number (3737160771855).

Almost surely, 2^{7474321543709} is an apocalyptic number.

It is an amenable number.

7474321543709 is a deficient number, since it is larger than the sum of its proper divisors (1).

7474321543709 is an equidigital number, since it uses as much as digits as its factorization.

7474321543709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17781120, while the sum is 56.

The spelling of 7474321543709 in words is "seven trillion, four hundred seventy-four billion, three hundred twenty-one million, five hundred forty-three thousand, seven hundred nine".