1372346043517 has 2 divisors, whose sum is σ = 1372346043518. Its totient is φ = 1372346043516.

The previous prime is 1372346043499. The next prime is 1372346043521. The reversal of 1372346043517 is 7153406432731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 901295801956 + 471050241561 = 949366^2 + 686331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1372346043517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1372346043587) 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, 686173021758 + 686173021759.

It is an arithmetic number, because the mean of its divisors is an integer number (686173021759).

Almost surely, 2^{1372346043517} is an apocalyptic number.

It is an amenable number.

1372346043517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372346043517 is an equidigital number, since it uses as much as digits as its factorization.

1372346043517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 1372346043517 in words is "one trillion, three hundred seventy-two billion, three hundred forty-six million, forty-three thousand, five hundred seventeen".