1351355669 has 2 divisors, whose sum is σ = 1351355670. Its totient is φ = 1351355668.

The previous prime is 1351355651. The next prime is 1351355683. The reversal of 1351355669 is 9665531531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 914336644 + 437019025 = 30238^2 + 20905^2 .

It is an emirp because it is prime and its reverse (9665531531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351355669 is a prime.

It is a super-2 number, since 2×1351355669² = 3652324288276875122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351055669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675677834 + 675677835.

It is an arithmetic number, because the mean of its divisors is an integer number (675677835).

Almost surely, 2^1351355669 is an apocalyptic number.

It is an amenable number.

1351355669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351355669 is an equidigital number, since it uses as much as digits as its factorization.

1351355669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 364500, while the sum is 44.

The square root of 1351355669 is about 36760.7898310142. The cubic root of 1351355669 is about 1105.5792759968.

The spelling of 1351355669 in words is "one billion, three hundred fifty-one million, three hundred fifty-five thousand, six hundred sixty-nine".