1392660420353 has 2 divisors, whose sum is σ = 1392660420354. Its totient is φ = 1392660420352.

The previous prime is 1392660420323. The next prime is 1392660420367. The reversal of 1392660420353 is 3530240662931.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1378917078529 + 13743341824 = 1174273^2 + 117232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1392660420353 - 2⁶ = 1392660420289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1392660420313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696330210176 + 696330210177.

It is an arithmetic number, because the mean of its divisors is an integer number (696330210177).

Almost surely, 2^{1392660420353} is an apocalyptic number.

It is an amenable number.

1392660420353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1392660420353 is an equidigital number, since it uses as much as digits as its factorization.

1392660420353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 44.

The spelling of 1392660420353 in words is "one trillion, three hundred ninety-two billion, six hundred sixty million, four hundred twenty thousand, three hundred fifty-three".