653671334 has 4 divisors (see below), whose sum is σ = 980507004. Its totient is φ = 326835666.

The previous prime is 653671327. The next prime is 653671349. The reversal of 653671334 is 433176356.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

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, 163417832 + ... + 163417835.

It is an arithmetic number, because the mean of its divisors is an integer number (245126751).

Almost surely, 2^653671334 is an apocalyptic number.

653671334 is a deficient number, since it is larger than the sum of its proper divisors (326835670).

653671334 is a wasteful number, since it uses less digits than its factorization.

653671334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326835669.

The product of its digits is 136080, while the sum is 38.

The square root of 653671334 is about 25566.9969687486. The cubic root of 653671334 is about 867.8669434037.

The spelling of 653671334 in words is "six hundred fifty-three million, six hundred seventy-one thousand, three hundred thirty-four".