30706485655 has 4 divisors (see below), whose sum is σ = 36847782792. Its totient is φ = 24565188520.

The previous prime is 30706485617. The next prime is 30706485683. The reversal of 30706485655 is 55658460703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55658460703 = 1867 ⋅29811709.

It is not a de Polignac number, because 30706485655 - 2⁷ = 30706485527 is a prime.

It is a super-2 number, since 2×30706485655² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30706485599 and 30706485608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3070648561 + ... + 3070648570.

It is an arithmetic number, because the mean of its divisors is an integer number (9211945698).

Almost surely, 2^30706485655 is an apocalyptic number.

30706485655 is a deficient number, since it is larger than the sum of its proper divisors (6141297137).

30706485655 is an equidigital number, since it uses as much as digits as its factorization.

30706485655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141297136.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 30706485655 in words is "thirty billion, seven hundred six million, four hundred eighty-five thousand, six hundred fifty-five".