189720830048 has 24 divisors (see below), whose sum is σ = 373556952720. Its totient is φ = 94849223040.

The previous prime is 189720830027. The next prime is 189720830069. The reversal of 189720830048 is 840038027981.

It is an interprime number because it is at equal distance from previous prime (189720830027) and next prime (189720830069).

It is a junction number, because it is equal to n+sod(n) for n = 189720829978 and 189720830005.

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, 70868 + ... + 620051.

It is an arithmetic number, because the mean of its divisors is an integer number (15564873030).

Almost surely, 2^189720830048 is an apocalyptic number.

It is an amenable number.

189720830048 is a deficient number, since it is larger than the sum of its proper divisors (183836122672).

189720830048 is an equidigital number, since it uses as much as digits as its factorization.

189720830048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699510 (or 699502 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 189720830048 in words is "one hundred eighty-nine billion, seven hundred twenty million, eight hundred thirty thousand, forty-eight".