1042622136461 has 2 divisors, whose sum is σ = 1042622136462. Its totient is φ = 1042622136460.

The previous prime is 1042622136397. The next prime is 1042622136463. The reversal of 1042622136461 is 1646312262401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1033170602500 + 9451533961 = 1016450^2 + 97219^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042622136461 - 2⁶ = 1042622136397 is a prime.

Together with 1042622136463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042622136463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521311068230 + 521311068231.

It is an arithmetic number, because the mean of its divisors is an integer number (521311068231).

Almost surely, 2^{1042622136461} is an apocalyptic number.

It is an amenable number.

1042622136461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042622136461 is an equidigital number, since it uses as much as digits as its factorization.

1042622136461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

Adding to 1042622136461 its reverse (1646312262401), we get a palindrome (2688934398862).

The spelling of 1042622136461 in words is "one trillion, forty-two billion, six hundred twenty-two million, one hundred thirty-six thousand, four hundred sixty-one".