61753012773 has 16 divisors (see below), whose sum is σ = 87124684800. Its totient is φ = 38797697520.

The previous prime is 61753012759. The next prime is 61753012793. The reversal of 61753012773 is 37721035716.

It is a de Polignac number, because none of the positive numbers 2^k-61753012773 is a prime.

It is a super-2 number, since 2×61753012773² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61753012723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2825203 + ... + 2846976.

It is an arithmetic number, because the mean of its divisors is an integer number (5445292800).

Almost surely, 2^61753012773 is an apocalyptic number.

It is an amenable number.

61753012773 is a deficient number, since it is larger than the sum of its proper divisors (25371672027).

61753012773 is a wasteful number, since it uses less digits than its factorization.

61753012773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672392.

The product of its (nonzero) digits is 185220, while the sum is 42.

The spelling of 61753012773 in words is "sixty-one billion, seven hundred fifty-three million, twelve thousand, seven hundred seventy-three".