1350691638601 has 2 divisors, whose sum is σ = 1350691638602. Its totient is φ = 1350691638600.

The previous prime is 1350691638529. The next prime is 1350691638607. The reversal of 1350691638601 is 1068361960531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 915751388601 + 434940250000 = 956949^2 + 659500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350691638601 - 2²⁵ = 1350658084169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1350691638607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675345819300 + 675345819301.

It is an arithmetic number, because the mean of its divisors is an integer number (675345819301).

Almost surely, 2^{1350691638601} is an apocalyptic number.

It is an amenable number.

1350691638601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350691638601 is an equidigital number, since it uses as much as digits as its factorization.

1350691638601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 1350691638601 in words is "one trillion, three hundred fifty billion, six hundred ninety-one million, six hundred thirty-eight thousand, six hundred one".