1335620203397 has 2 divisors, whose sum is σ = 1335620203398. Its totient is φ = 1335620203396.

The previous prime is 1335620203391. The next prime is 1335620203399. The reversal of 1335620203397 is 7933020265331.

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., 949272181636 + 386348021761 = 974306^2 + 621569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1335620203397 is a prime.

Together with 1335620203399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1335620203391) 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, 667810101698 + 667810101699.

It is an arithmetic number, because the mean of its divisors is an integer number (667810101699).

Almost surely, 2^{1335620203397} is an apocalyptic number.

It is an amenable number.

1335620203397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1335620203397 is an equidigital number, since it uses as much as digits as its factorization.

1335620203397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 44.

The spelling of 1335620203397 in words is "one trillion, three hundred thirty-five billion, six hundred twenty million, two hundred three thousand, three hundred ninety-seven".