1355675647 has 2 divisors, whose sum is σ = 1355675648. Its totient is φ = 1355675646.

The previous prime is 1355675611. The next prime is 1355675677. The reversal of 1355675647 is 7465765531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1355675647 - 2¹⁹ = 1355151359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1355675647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355675677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677837823 + 677837824.

It is an arithmetic number, because the mean of its divisors is an integer number (677837824).

Almost surely, 2^1355675647 is an apocalyptic number.

1355675647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355675647 is an equidigital number, since it uses as much as digits as its factorization.

1355675647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2646000, while the sum is 49.

The square root of 1355675647 is about 36819.5009064490. The cubic root of 1355675647 is about 1106.7561183662.

The spelling of 1355675647 in words is "one billion, three hundred fifty-five million, six hundred seventy-five thousand, six hundred forty-seven".