741506344721 has 2 divisors, whose sum is σ = 741506344722. Its totient is φ = 741506344720.

The previous prime is 741506344687. The next prime is 741506344769. The reversal of 741506344721 is 127443605147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441574869121 + 299931475600 = 664511^2 + 547660^2 .

It is a cyclic number.

It is not a de Polignac number, because 741506344721 - 2¹⁴ = 741506328337 is a prime.

It is a super-2 number, since 2×741506344721² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (741506344771) 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, 370753172360 + 370753172361.

It is an arithmetic number, because the mean of its divisors is an integer number (370753172361).

Almost surely, 2^741506344721 is an apocalyptic number.

It is an amenable number.

741506344721 is a deficient number, since it is larger than the sum of its proper divisors (1).

741506344721 is an equidigital number, since it uses as much as digits as its factorization.

741506344721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 44.

Adding to 741506344721 its reverse (127443605147), we get a palindrome (868949949868).

The spelling of 741506344721 in words is "seven hundred forty-one billion, five hundred six million, three hundred forty-four thousand, seven hundred twenty-one".