1355643334 has 4 divisors (see below), whose sum is σ = 2033465004. Its totient is φ = 677821666.

The previous prime is 1355643329. The next prime is 1355643343. The reversal of 1355643334 is 4333465531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4333465531 = 4789 ⋅904879.

It is a junction number, because it is equal to n+sod(n) for n = 1355643293 and 1355643302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338910832 + ... + 338910835.

It is an arithmetic number, because the mean of its divisors is an integer number (508366251).

Almost surely, 2^1355643334 is an apocalyptic number.

1355643334 is a deficient number, since it is larger than the sum of its proper divisors (677821670).

1355643334 is an equidigital number, since it uses as much as digits as its factorization.

1355643334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677821669.

The product of its digits is 194400, while the sum is 37.

The square root of 1355643334 is about 36819.0621010367. The cubic root of 1355643334 is about 1106.7473249908.

The spelling of 1355643334 in words is "one billion, three hundred fifty-five million, six hundred forty-three thousand, three hundred thirty-four".