43462161013 has 2 divisors, whose sum is σ = 43462161014. Its totient is φ = 43462161012.

The previous prime is 43462161011. The next prime is 43462161049. The reversal of 43462161013 is 31016126434.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35412841489 + 8049319524 = 188183^2 + 89718^2 .

It is a cyclic number.

It is not a de Polignac number, because 43462161013 - 2¹ = 43462161011 is a prime.

Together with 43462161011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43462161011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21731080506 + 21731080507.

It is an arithmetic number, because the mean of its divisors is an integer number (21731080507).

Almost surely, 2^43462161013 is an apocalyptic number.

It is an amenable number.

43462161013 is a deficient number, since it is larger than the sum of its proper divisors (1).

43462161013 is an equidigital number, since it uses as much as digits as its factorization.

43462161013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 43462161013 its reverse (31016126434), we get a palindrome (74478287447).

The spelling of 43462161013 in words is "forty-three billion, four hundred sixty-two million, one hundred sixty-one thousand, thirteen".