42793629481 has 2 divisors, whose sum is σ = 42793629482. Its totient is φ = 42793629480.

The previous prime is 42793629479. The next prime is 42793629503. The reversal of 42793629481 is 18492639724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38085474025 + 4708155456 = 195155^2 + 68616^2 .

It is a cyclic number.

It is not a de Polignac number, because 42793629481 - 2¹ = 42793629479 is a prime.

It is a super-2 number, since 2×42793629481² (a number of 22 digits) contains 22 as substring.

Together with 42793629479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42793629421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21396814740 + 21396814741.

It is an arithmetic number, because the mean of its divisors is an integer number (21396814741).

Almost surely, 2^42793629481 is an apocalyptic number.

It is an amenable number.

42793629481 is a deficient number, since it is larger than the sum of its proper divisors (1).

42793629481 is an equidigital number, since it uses as much as digits as its factorization.

42793629481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 55.

The spelling of 42793629481 in words is "forty-two billion, seven hundred ninety-three million, six hundred twenty-nine thousand, four hundred eighty-one".