1353221050019 has 2 divisors, whose sum is σ = 1353221050020. Its totient is φ = 1353221050018.

The previous prime is 1353221050001. The next prime is 1353221050061. The reversal of 1353221050019 is 9100501223531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353221050019 is a prime.

It is a super-2 number, since 2×1353221050019² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1353221050219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676610525009 + 676610525010.

It is an arithmetic number, because the mean of its divisors is an integer number (676610525010).

Almost surely, 2^{1353221050019} is an apocalyptic number.

1353221050019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353221050019 is an equidigital number, since it uses as much as digits as its factorization.

1353221050019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 1353221050019 in words is "one trillion, three hundred fifty-three billion, two hundred twenty-one million, fifty thousand, nineteen".