1960103385421 has 2 divisors, whose sum is σ = 1960103385422. Its totient is φ = 1960103385420.

The previous prime is 1960103385413. The next prime is 1960103385433. The reversal of 1960103385421 is 1245833010691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1715874687396 + 244228698025 = 1309914^2 + 494195^2 .

It is an emirp because it is prime and its reverse (1245833010691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1960103385421 - 2³ = 1960103385413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1960103383421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980051692710 + 980051692711.

It is an arithmetic number, because the mean of its divisors is an integer number (980051692711).

Almost surely, 2^{1960103385421} is an apocalyptic number.

It is an amenable number.

1960103385421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1960103385421 is an equidigital number, since it uses as much as digits as its factorization.

1960103385421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 1960103385421 in words is "one trillion, nine hundred sixty billion, one hundred three million, three hundred eighty-five thousand, four hundred twenty-one".