1353612443237 has 2 divisors, whose sum is σ = 1353612443238. Its totient is φ = 1353612443236.

The previous prime is 1353612443201. The next prime is 1353612443251. The reversal of 1353612443237 is 7323442163531.

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., 1226968274596 + 126644168641 = 1107686^2 + 355871^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353612443237 - 2¹² = 1353612439141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1353612443537) 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, 676806221618 + 676806221619.

It is an arithmetic number, because the mean of its divisors is an integer number (676806221619).

Almost surely, 2^{1353612443237} is an apocalyptic number.

It is an amenable number.

1353612443237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353612443237 is an equidigital number, since it uses as much as digits as its factorization.

1353612443237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 44.

The spelling of 1353612443237 in words is "one trillion, three hundred fifty-three billion, six hundred twelve million, four hundred forty-three thousand, two hundred thirty-seven".