189188628429453 has 128 divisors (see below), whose sum is σ = 281403235897344. Its totient is φ = 112672353024000.

The previous prime is 189188628429439. The next prime is 189188628429487. The reversal of 189188628429453 is 354924826881981.

189188628429453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189188628429453 - 2¹⁴ = 189188628413069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189188628429253) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7948756153 + ... + 7948779953.

It is an arithmetic number, because the mean of its divisors is an integer number (2198462780448).

Almost surely, 2^{189188628429453} is an apocalyptic number.

It is an amenable number.

189188628429453 is a deficient number, since it is larger than the sum of its proper divisors (92214607467891).

189188628429453 is a wasteful number, since it uses less digits than its factorization.

189188628429453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25155.

The product of its digits is 1911029760, while the sum is 78.

The spelling of 189188628429453 in words is "one hundred eighty-nine trillion, one hundred eighty-eight billion, six hundred twenty-eight million, four hundred twenty-nine thousand, four hundred fifty-three".