30380465757781 has 8 divisors (see below), whose sum is σ = 30443517279360. Its totient is φ = 30317450220288.

The previous prime is 30380465757779. The next prime is 30380465757841. The reversal of 30380465757781 is 18775756408303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30380465757781 - 2¹ = 30380465757779 is a prime.

It is a super-2 number, since 2×30380465757781² (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 (30380465757721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7305391 + ... + 10683148.

It is an arithmetic number, because the mean of its divisors is an integer number (3805439659920).

Almost surely, 2^{30380465757781} is an apocalyptic number.

It is an amenable number.

30380465757781 is a deficient number, since it is larger than the sum of its proper divisors (63051521579).

30380465757781 is a wasteful number, since it uses less digits than its factorization.

30380465757781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17992043.

The product of its (nonzero) digits is 118540800, while the sum is 64.

The spelling of 30380465757781 in words is "thirty trillion, three hundred eighty billion, four hundred sixty-five million, seven hundred fifty-seven thousand, seven hundred eighty-one".