653533636434 has 16 divisors (see below), whose sum is σ = 1493791169088. Its totient is φ = 186723896112.

The previous prime is 653533636421. The next prime is 653533636489. The reversal of 653533636434 is 434636335356.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7780162297 + ... + 7780162380.

It is an arithmetic number, because the mean of its divisors is an integer number (93361948068).

Almost surely, 2^653533636434 is an apocalyptic number.

653533636434 is an abundant number, since it is smaller than the sum of its proper divisors (840257532654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

653533636434 is a wasteful number, since it uses less digits than its factorization.

653533636434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15560324689.

The product of its digits is 20995200, while the sum is 51.

The spelling of 653533636434 in words is "six hundred fifty-three billion, five hundred thirty-three million, six hundred thirty-six thousand, four hundred thirty-four".