30842694879985 has 32 divisors (see below), whose sum is σ = 37920146423040. Its totient is φ = 24073664379648.

The previous prime is 30842694879973. The next prime is 30842694879991. The reversal of 30842694879985 is 58997849624803.

It is a cyclic number.

It is not a de Polignac number, because 30842694879985 - 2²³ = 30842686491377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30842694879899 and 30842694879908.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51011676 + ... + 51612754.

It is an arithmetic number, because the mean of its divisors is an integer number (1185004575720).

Almost surely, 2^{30842694879985} is an apocalyptic number.

It is an amenable number.

30842694879985 is a deficient number, since it is larger than the sum of its proper divisors (7077451543055).

30842694879985 is a wasteful number, since it uses less digits than its factorization.

30842694879985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602217.

The product of its (nonzero) digits is 7524679680, while the sum is 82.

The spelling of 30842694879985 in words is "thirty trillion, eight hundred forty-two billion, six hundred ninety-four million, eight hundred seventy-nine thousand, nine hundred eighty-five".