1342031523449 has 2 divisors, whose sum is σ = 1342031523450. Its totient is φ = 1342031523448.

The previous prime is 1342031523439. The next prime is 1342031523473. The reversal of 1342031523449 is 9443251302431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 685393573225 + 656637950224 = 827885^2 + 810332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342031523449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1342031523439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671015761724 + 671015761725.

It is an arithmetic number, because the mean of its divisors is an integer number (671015761725).

Almost surely, 2^{1342031523449} is an apocalyptic number.

It is an amenable number.

1342031523449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342031523449 is an equidigital number, since it uses as much as digits as its factorization.

1342031523449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 1342031523449 in words is "one trillion, three hundred forty-two billion, thirty-one million, five hundred twenty-three thousand, four hundred forty-nine".