61063140393 has 12 divisors (see below), whose sum is σ = 88375606020. Its totient is φ = 40628779296.

The previous prime is 61063140371. The next prime is 61063140403. The reversal of 61063140393 is 39304136016.

61063140393 is a `hidden beast` number, since 6 + 10 + 631 + 4 + 0 + 3 + 9 + 3 = 666.

61063140393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40053217689 + 21009922704 = 200133^2 + 144948^2 .

It is not a de Polignac number, because 61063140393 - 2⁹ = 61063139881 is a prime.

It is a super-2 number, since 2×61063140393² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61063140353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6660246 + ... + 6669407.

It is an arithmetic number, because the mean of its divisors is an integer number (7364633835).

Almost surely, 2^61063140393 is an apocalyptic number.

It is an amenable number.

61063140393 is a deficient number, since it is larger than the sum of its proper divisors (27312465627).

61063140393 is a wasteful number, since it uses less digits than its factorization.

61063140393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13330168 (or 13330165 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 61063140393 in words is "sixty-one billion, sixty-three million, one hundred forty thousand, three hundred ninety-three".