61328393970353 has 16 divisors (see below), whose sum is σ = 61854777215616. Its totient is φ = 60802909614720.

The previous prime is 61328393970343. The next prime is 61328393970367. The reversal of 61328393970353 is 35307939382316.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 61328393970353 - 2¹⁰ = 61328393969329 is a prime.

It is a super-2 number, since 2×61328393970353² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61328393970343) 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, 1087798301 + ... + 1087854677.

It is an arithmetic number, because the mean of its divisors is an integer number (3865923575976).

Almost surely, 2^{61328393970353} is an apocalyptic number.

It is an amenable number.

61328393970353 is a deficient number, since it is larger than the sum of its proper divisors (526383245263).

61328393970353 is a wasteful number, since it uses less digits than its factorization.

61328393970353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64184.

The product of its (nonzero) digits is 66134880, while the sum is 62.

The spelling of 61328393970353 in words is "sixty-one trillion, three hundred twenty-eight billion, three hundred ninety-three million, nine hundred seventy thousand, three hundred fifty-three".