61343635338 has 32 divisors (see below), whose sum is σ = 136822245120. Its totient is φ = 20372420160.

The previous prime is 61343635319. The next prime is 61343635343. The reversal of 61343635338 is 83353634316.

61343635338 is a `hidden beast` number, since 6 + 1 + 3 + 4 + 3 + 635 + 3 + 3 + 8 = 666.

61343635338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61343635293 and 61343635302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2081295 + ... + 2110562.

It is an arithmetic number, because the mean of its divisors is an integer number (4275695160).

Almost surely, 2^61343635338 is an apocalyptic number.

61343635338 is an abundant number, since it is smaller than the sum of its proper divisors (75478609782).

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

61343635338 is a wasteful number, since it uses less digits than its factorization.

61343635338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4192139 (or 4192133 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 45.

The spelling of 61343635338 in words is "sixty-one billion, three hundred forty-three million, six hundred thirty-five thousand, three hundred thirty-eight".