61835775650 has 48 divisors (see below), whose sum is σ = 128530711008. Its totient is φ = 21937296000.

The previous prime is 61835775613. The next prime is 61835775689. The reversal of 61835775650 is 5657753816.

It is a happy number.

61835775650 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 = 61835775592 and 61835775601.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1348532 + ... + 1393631.

It is an arithmetic number, because the mean of its divisors is an integer number (2677723146).

Almost surely, 2^61835775650 is an apocalyptic number.

61835775650 is an abundant number, since it is smaller than the sum of its proper divisors (66694935358).

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

61835775650 is a wasteful number, since it uses less digits than its factorization.

61835775650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742227 (or 2742222 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 61835775650 in words is "sixty-one billion, eight hundred thirty-five million, seven hundred seventy-five thousand, six hundred fifty".