83438189030 has 64 divisors (see below), whose sum is σ = 176352491520. Its totient is φ = 27823284864.

The previous prime is 83438189011. The next prime is 83438189053. The reversal of 83438189030 is 3098183438.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

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, 9161459 + ... + 9170561.

It is an arithmetic number, because the mean of its divisors is an integer number (2755507680).

Almost surely, 2^83438189030 is an apocalyptic number.

83438189030 is an abundant number, since it is smaller than the sum of its proper divisors (92914302490).

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

83438189030 is a wasteful number, since it uses less digits than its factorization.

83438189030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12693.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 83438189030 in words is "eighty-three billion, four hundred thirty-eight million, one hundred eighty-nine thousand, thirty".