1342193836021 has 2 divisors, whose sum is σ = 1342193836022. Its totient is φ = 1342193836020.

The previous prime is 1342193835919. The next prime is 1342193836033. The reversal of 1342193836021 is 1206383912431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 897623604900 + 444570231121 = 947430^2 + 666761^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342193836021 - 2¹⁷ = 1342193704949 is a prime.

It is a super-2 number, since 2×1342193836021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342193836121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671096918010 + 671096918011.

It is an arithmetic number, because the mean of its divisors is an integer number (671096918011).

Almost surely, 2^{1342193836021} is an apocalyptic number.

It is an amenable number.

1342193836021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342193836021 is an equidigital number, since it uses as much as digits as its factorization.

1342193836021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 1342193836021 in words is "one trillion, three hundred forty-two billion, one hundred ninety-three million, eight hundred thirty-six thousand, twenty-one".