30678813538485 has 32 divisors (see below), whose sum is σ = 58537462855680. Its totient is φ = 13414835235648.

The previous prime is 30678813538391. The next prime is 30678813538487. The reversal of 30678813538485 is 58483531887603.

It is not a de Polignac number, because 30678813538485 - 2⁷ = 30678813538357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30678813538487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6351718815 + ... + 6351723644.

It is an arithmetic number, because the mean of its divisors is an integer number (1829295714240).

Almost surely, 2^{30678813538485} is an apocalyptic number.

30678813538485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30678813538485 is a deficient number, since it is larger than the sum of its proper divisors (27858649317195).

30678813538485 is a wasteful number, since it uses less digits than its factorization.

30678813538485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12703442497.

The product of its (nonzero) digits is 464486400, while the sum is 69.

The spelling of 30678813538485 in words is "thirty trillion, six hundred seventy-eight billion, eight hundred thirteen million, five hundred thirty-eight thousand, four hundred eighty-five".