7401447043481 has 2 divisors, whose sum is σ = 7401447043482. Its totient is φ = 7401447043480.

The previous prime is 7401447043477. The next prime is 7401447043547. The reversal of 7401447043481 is 1843407441047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6934979899225 + 466467144256 = 2633435^2 + 682984^2 .

It is a cyclic number.

It is not a de Polignac number, because 7401447043481 - 2² = 7401447043477 is a prime.

It is a super-2 number, since 2×7401447043481² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7401447073481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3700723521740 + 3700723521741.

It is an arithmetic number, because the mean of its divisors is an integer number (3700723521741).

Almost surely, 2^{7401447043481} is an apocalyptic number.

It is an amenable number.

7401447043481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7401447043481 is an equidigital number, since it uses as much as digits as its factorization.

7401447043481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1204224, while the sum is 47.

The spelling of 7401447043481 in words is "seven trillion, four hundred one billion, four hundred forty-seven million, forty-three thousand, four hundred eighty-one".