189462069 has 6 divisors (see below), whose sum is σ = 273667446. Its totient is φ = 126308040.

The previous prime is 189462047. The next prime is 189462071. The reversal of 189462069 is 960264981.

It is a happy number.

189462069 is a `hidden beast` number, since 18 + 9 + 4 + 620 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 188705169 + 756900 = 13737^2 + 870^2 .

It is not a de Polignac number, because 189462069 - 2⁸ = 189461813 is a prime.

It is a super-2 number, since 2×189462069² = 71791751179521522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189462019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10525662 + ... + 10525679.

It is an arithmetic number, because the mean of its divisors is an integer number (45611241).

Almost surely, 2^189462069 is an apocalyptic number.

It is an amenable number.

189462069 is a deficient number, since it is larger than the sum of its proper divisors (84205377).

189462069 is a wasteful number, since it uses less digits than its factorization.

189462069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21051347 (or 21051344 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 189462069 is about 13764.5221130267. The cubic root of 189462069 is about 574.3466494603.

The spelling of 189462069 in words is "one hundred eighty-nine million, four hundred sixty-two thousand, sixty-nine".