7506741344621 has 2 divisors, whose sum is σ = 7506741344622. Its totient is φ = 7506741344620.

The previous prime is 7506741344611. The next prime is 7506741344723. The reversal of 7506741344621 is 1264431476057.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5791194120100 + 1715547224521 = 2406490^2 + 1309789^2 .

It is a cyclic number.

It is not a de Polignac number, because 7506741344621 - 2²⁶ = 7506674235757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7506741344621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7506741344611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3753370672310 + 3753370672311.

It is an arithmetic number, because the mean of its divisors is an integer number (3753370672311).

Almost surely, 2^{7506741344621} is an apocalyptic number.

It is an amenable number.

7506741344621 is a deficient number, since it is larger than the sum of its proper divisors (1).

7506741344621 is an equidigital number, since it uses as much as digits as its factorization.

7506741344621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 7506741344621 in words is "seven trillion, five hundred six billion, seven hundred forty-one million, three hundred forty-four thousand, six hundred twenty-one".