61205335343 has 4 divisors (see below), whose sum is σ = 61205855928. Its totient is φ = 61204814760.

The previous prime is 61205335309. The next prime is 61205335349. The reversal of 61205335343 is 34353350216.

61205335343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 61205335343 - 2¹² = 61205331247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61205335349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8780 + ... + 349982.

It is an arithmetic number, because the mean of its divisors is an integer number (15301463982).

Almost surely, 2^61205335343 is an apocalyptic number.

61205335343 is a deficient number, since it is larger than the sum of its proper divisors (520585).

61205335343 is a wasteful number, since it uses less digits than its factorization.

61205335343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520584.

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 61205335343 its reverse (34353350216), we get a palindrome (95558685559).

The spelling of 61205335343 in words is "sixty-one billion, two hundred five million, three hundred thirty-five thousand, three hundred forty-three".