189693352254 has 32 divisors (see below), whose sum is σ = 433636413696. Its totient is φ = 54191649600.

The previous prime is 189693352249. The next prime is 189693352259. The reversal of 189693352254 is 452253396981.

It is an interprime number because it is at equal distance from previous prime (189693352249) and next prime (189693352259).

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 189693352194 and 189693352203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189693352259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94029 + ... + 623079.

It is an arithmetic number, because the mean of its divisors is an integer number (13551137928).

Almost surely, 2^189693352254 is an apocalyptic number.

189693352254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

189693352254 is an abundant number, since it is smaller than the sum of its proper divisors (243943061442).

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

189693352254 is a wasteful number, since it uses less digits than its factorization.

189693352254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537600.

The product of its digits is 13996800, while the sum is 57.

The spelling of 189693352254 in words is "one hundred eighty-nine billion, six hundred ninety-three million, three hundred fifty-two thousand, two hundred fifty-four".