1351363506637 has 2 divisors, whose sum is σ = 1351363506638. Its totient is φ = 1351363506636.

The previous prime is 1351363506583. The next prime is 1351363506721. The reversal of 1351363506637 is 7366053631531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1318154275881 + 33209230756 = 1148109^2 + 182234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351363506637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351363576637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675681753318 + 675681753319.

It is an arithmetic number, because the mean of its divisors is an integer number (675681753319).

Almost surely, 2^{1351363506637} is an apocalyptic number.

It is an amenable number.

1351363506637 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351363506637 is an equidigital number, since it uses as much as digits as its factorization.

1351363506637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3061800, while the sum is 49.

The spelling of 1351363506637 in words is "one trillion, three hundred fifty-one billion, three hundred sixty-three million, five hundred six thousand, six hundred thirty-seven".