1642614427243 has 2 divisors, whose sum is σ = 1642614427244. Its totient is φ = 1642614427242.

The previous prime is 1642614427189. The next prime is 1642614427313. The reversal of 1642614427243 is 3427244162461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1642614427243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1642614427193 and 1642614427202.

It is not a weakly prime, because it can be changed into another prime (1642614407243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821307213621 + 821307213622.

It is an arithmetic number, because the mean of its divisors is an integer number (821307213622).

Almost surely, 2^{1642614427243} is an apocalyptic number.

1642614427243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1642614427243 is an equidigital number, since it uses as much as digits as its factorization.

1642614427243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 46.

The spelling of 1642614427243 in words is "one trillion, six hundred forty-two billion, six hundred fourteen million, four hundred twenty-seven thousand, two hundred forty-three".