42412651361 has 2 divisors, whose sum is σ = 42412651362. Its totient is φ = 42412651360.

The previous prime is 42412651289. The next prime is 42412651363. The reversal of 42412651361 is 16315621424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36902410000 + 5510241361 = 192100^2 + 74231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42412651361 is a prime.

Together with 42412651363, 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 (42412651363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21206325680 + 21206325681.

It is an arithmetic number, because the mean of its divisors is an integer number (21206325681).

Almost surely, 2^42412651361 is an apocalyptic number.

It is an amenable number.

42412651361 is a deficient number, since it is larger than the sum of its proper divisors (1).

42412651361 is an equidigital number, since it uses as much as digits as its factorization.

42412651361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The spelling of 42412651361 in words is "forty-two billion, four hundred twelve million, six hundred fifty-one thousand, three hundred sixty-one".