1351637334461 has 2 divisors, whose sum is σ = 1351637334462. Its totient is φ = 1351637334460.

The previous prime is 1351637334451. The next prime is 1351637334503. The reversal of 1351637334461 is 1644337361531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1188688672900 + 162948661561 = 1090270^2 + 403669^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351637334461 - 2²² = 1351633140157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351637334451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675818667230 + 675818667231.

It is an arithmetic number, because the mean of its divisors is an integer number (675818667231).

Almost surely, 2^{1351637334461} is an apocalyptic number.

It is an amenable number.

1351637334461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351637334461 is an equidigital number, since it uses as much as digits as its factorization.

1351637334461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 47.

The spelling of 1351637334461 in words is "one trillion, three hundred fifty-one billion, six hundred thirty-seven million, three hundred thirty-four thousand, four hundred sixty-one".