7332781954481 has 2 divisors, whose sum is σ = 7332781954482. Its totient is φ = 7332781954480.

The previous prime is 7332781954471. The next prime is 7332781954483. The reversal of 7332781954481 is 1844591872337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7050803962225 + 281977992256 = 2655335^2 + 531016^2 .

It is a cyclic number.

It is not a de Polignac number, because 7332781954481 - 2⁶ = 7332781954417 is a prime.

It is a super-2 number, since 2×7332781954481² (a number of 27 digits) contains 22 as substring.

Together with 7332781954483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7332781954483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3666390977240 + 3666390977241.

It is an arithmetic number, because the mean of its divisors is an integer number (3666390977241).

Almost surely, 2^{7332781954481} is an apocalyptic number.

It is an amenable number.

7332781954481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7332781954481 is an equidigital number, since it uses as much as digits as its factorization.

7332781954481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40642560, while the sum is 62.

The spelling of 7332781954481 in words is "seven trillion, three hundred thirty-two billion, seven hundred eighty-one million, nine hundred fifty-four thousand, four hundred eighty-one".