61408184241 has 4 divisors (see below), whose sum is σ = 81877578992. Its totient is φ = 40938789492.

The previous prime is 61408184237. The next prime is 61408184293. The reversal of 61408184241 is 14248180416.

It is a happy number.

61408184241 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 Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 61408184241 - 2² = 61408184237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61408184241.

It is not an unprimeable number, because it can be changed into a prime (61408184441) 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, 10234697371 + ... + 10234697376.

It is an arithmetic number, because the mean of its divisors is an integer number (20469394748).

Almost surely, 2^61408184241 is an apocalyptic number.

It is an amenable number.

61408184241 is a deficient number, since it is larger than the sum of its proper divisors (20469394751).

61408184241 is a wasteful number, since it uses less digits than its factorization.

61408184241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20469394750.

The product of its (nonzero) digits is 49152, while the sum is 39.

The spelling of 61408184241 in words is "sixty-one billion, four hundred eight million, one hundred eighty-four thousand, two hundred forty-one".