61335928352789 has 16 divisors (see below), whose sum is σ = 63354671976960. Its totient is φ = 59347133915520.

The previous prime is 61335928352773. The next prime is 61335928352801. The reversal of 61335928352789 is 98725382953316.

It is a cyclic number.

It is not a de Polignac number, because 61335928352789 - 2⁴ = 61335928352773 is a prime.

It is a super-2 number, since 2×61335928352789² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61335928352719) 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, 25717232 + ... + 28000854.

It is an arithmetic number, because the mean of its divisors is an integer number (3959666998560).

Almost surely, 2^{61335928352789} is an apocalyptic number.

It is an amenable number.

61335928352789 is a deficient number, since it is larger than the sum of its proper divisors (2018743624171).

61335928352789 is a wasteful number, since it uses less digits than its factorization.

61335928352789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290180.

The product of its digits is 587865600, while the sum is 71.

The spelling of 61335928352789 in words is "sixty-one trillion, three hundred thirty-five billion, nine hundred twenty-eight million, three hundred fifty-two thousand, seven hundred eighty-nine".