1351633473277 has 2 divisors, whose sum is σ = 1351633473278. Its totient is φ = 1351633473276.

The previous prime is 1351633473247. The next prime is 1351633473293. The reversal of 1351633473277 is 7723743361531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1288601847556 + 63031625721 = 1135166^2 + 251061^2 .

It is an emirp because it is prime and its reverse (7723743361531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1351633473277 - 2³⁹ = 801877659389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351633473247) 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, 675816736638 + 675816736639.

It is an arithmetic number, because the mean of its divisors is an integer number (675816736639).

Almost surely, 2^{1351633473277} is an apocalyptic number.

It is an amenable number.

1351633473277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351633473277 is an equidigital number, since it uses as much as digits as its factorization.

1351633473277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6667920, while the sum is 52.

The spelling of 1351633473277 in words is "one trillion, three hundred fifty-one billion, six hundred thirty-three million, four hundred seventy-three thousand, two hundred seventy-seven".