1653834338 has 12 divisors (see below), whose sum is σ = 2686258098. Its totient is φ = 763308000.

The previous prime is 1653834337. The next prime is 1653834361. The reversal of 1653834338 is 8334383561.

It can be written as a sum of positive squares in 3 ways, for example, as 1314280009 + 339554329 = 36253^2 + 18427^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1653834337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2446163 + ... + 2446838.

Almost surely, 2^1653834338 is an apocalyptic number.

1653834338 is a deficient number, since it is larger than the sum of its proper divisors (1032423760).

1653834338 is a wasteful number, since it uses less digits than its factorization.

1653834338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893029 (or 4893016 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The square root of 1653834338 is about 40667.3620732892. The cubic root of 1653834338 is about 1182.5803768741.

The spelling of 1653834338 in words is "one billion, six hundred fifty-three million, eight hundred thirty-four thousand, three hundred thirty-eight".