189672458019 has 32 divisors (see below), whose sum is σ = 281501215488. Its totient is φ = 112620144000.

The previous prime is 189672458009. The next prime is 189672458077. The reversal of 189672458019 is 910854276981.

It is not a de Polignac number, because 189672458019 - 2²³ = 189664069411 is a prime.

It is a super-2 number, since 2×189672458019² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (189672458009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1130089 + ... + 1287029.

It is an arithmetic number, because the mean of its divisors is an integer number (8796912984).

Almost surely, 2^189672458019 is an apocalyptic number.

189672458019 is a deficient number, since it is larger than the sum of its proper divisors (91828757469).

189672458019 is a wasteful number, since it uses less digits than its factorization.

189672458019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157699.

The product of its (nonzero) digits is 8709120, while the sum is 60.

The spelling of 189672458019 in words is "one hundred eighty-nine billion, six hundred seventy-two million, four hundred fifty-eight thousand, nineteen".