1349643068 has 12 divisors (see below), whose sum is σ = 2363208120. Its totient is φ = 674440752.

The previous prime is 1349643049. The next prime is 1349643077. The reversal of 1349643068 is 8603469431.

It is a super-2 number, since 2×1349643068² = 3643072822000905248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87146 + ... + 101457.

It is an arithmetic number, because the mean of its divisors is an integer number (196934010).

Almost surely, 2^1349643068 is an apocalyptic number.

It is an amenable number.

1349643068 is a deficient number, since it is larger than the sum of its proper divisors (1013565052).

1349643068 is a wasteful number, since it uses less digits than its factorization.

1349643068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190396 (or 190394 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 1349643068 is about 36737.4885913558. The cubic root of 1349643068 is about 1105.1120373968.

The spelling of 1349643068 in words is "one billion, three hundred forty-nine million, six hundred forty-three thousand, sixty-eight".