742333066281 has 6 divisors (see below), whose sum is σ = 1072258873530. Its totient is φ = 494888710848.

The previous prime is 742333066259. The next prime is 742333066291. The reversal of 742333066281 is 182660333247.

It can be written as a sum of positive squares in only one way, i.e., 704073706281 + 38259360000 = 839091^2 + 195600^2 .

It is not a de Polignac number, because 742333066281 - 2²⁷ = 742198848553 is a prime.

It is a super-2 number, since 2×742333066281² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (742333066291) 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 in 5 ways as a sum of consecutive naturals, for example, 41240725896 + ... + 41240725913.

It is an arithmetic number, because the mean of its divisors is an integer number (178709812255).

Almost surely, 2^742333066281 is an apocalyptic number.

It is an amenable number.

742333066281 is a deficient number, since it is larger than the sum of its proper divisors (329925807249).

742333066281 is a wasteful number, since it uses less digits than its factorization.

742333066281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82481451815 (or 82481451812 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 742333066281 in words is "seven hundred forty-two billion, three hundred thirty-three million, sixty-six thousand, two hundred eighty-one".