30669839970 has 64 divisors (see below), whose sum is σ = 91770541056. Its totient is φ = 6372953280.

The previous prime is 30669839953. The next prime is 30669839971. The reversal of 30669839970 is 7993896603.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30669839971) 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, 6636184 + ... + 6640803.

It is an arithmetic number, because the mean of its divisors is an integer number (1433914704).

Almost surely, 2^30669839970 is an apocalyptic number.

30669839970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30669839970 is an abundant number, since it is smaller than the sum of its proper divisors (61100701086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30669839970 is a wasteful number, since it uses less digits than its factorization.

30669839970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13277015.

The product of its (nonzero) digits is 13226976, while the sum is 60.

The spelling of 30669839970 in words is "thirty billion, six hundred sixty-nine million, eight hundred thirty-nine thousand, nine hundred seventy".