1342642040219 has 2 divisors, whose sum is σ = 1342642040220. Its totient is φ = 1342642040218.

The previous prime is 1342642040183. The next prime is 1342642040249. The reversal of 1342642040219 is 9120402462431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342642040219 is a prime.

It is a super-2 number, since 2×1342642040219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1342642040249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671321020109 + 671321020110.

It is an arithmetic number, because the mean of its divisors is an integer number (671321020110).

Almost surely, 2^{1342642040219} is an apocalyptic number.

1342642040219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342642040219 is an equidigital number, since it uses as much as digits as its factorization.

1342642040219 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.

The spelling of 1342642040219 in words is "one trillion, three hundred forty-two billion, six hundred forty-two million, forty thousand, two hundred nineteen".