1353621464009 has 2 divisors, whose sum is σ = 1353621464010. Its totient is φ = 1353621464008.

The previous prime is 1353621463963. The next prime is 1353621464021. The reversal of 1353621464009 is 9004641263531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 950868765625 + 402752698384 = 975125^2 + 634628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353621464009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1353621464509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676810732004 + 676810732005.

It is an arithmetic number, because the mean of its divisors is an integer number (676810732005).

Almost surely, 2^{1353621464009} is an apocalyptic number.

It is an amenable number.

1353621464009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353621464009 is an equidigital number, since it uses as much as digits as its factorization.

1353621464009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 1353621464009 in words is "one trillion, three hundred fifty-three billion, six hundred twenty-one million, four hundred sixty-four thousand, nine".