61053450773 has 4 divisors (see below), whose sum is σ = 69775372320. Its totient is φ = 52331529228.

The previous prime is 61053450761. The next prime is 61053450817. The reversal of 61053450773 is 37705435016.

It is a happy number.

61053450773 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 a cyclic number.

It is not a de Polignac number, because 61053450773 - 2²⁰ = 61052402197 is a prime.

It is a super-2 number, since 2×61053450773² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61053450773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61053452773) 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, 4360960763 + ... + 4360960776.

It is an arithmetic number, because the mean of its divisors is an integer number (17443843080).

Almost surely, 2^61053450773 is an apocalyptic number.

It is an amenable number.

61053450773 is a deficient number, since it is larger than the sum of its proper divisors (8721921547).

61053450773 is an equidigital number, since it uses as much as digits as its factorization.

61053450773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8721921546.

The product of its (nonzero) digits is 264600, while the sum is 41.

Adding to 61053450773 its reverse (37705435016), we get a palindrome (98758885789).

The spelling of 61053450773 in words is "sixty-one billion, fifty-three million, four hundred fifty thousand, seven hundred seventy-three".