189847629019 has 8 divisors (see below), whose sum is σ = 191174535728. Its totient is φ = 188522212320.

The previous prime is 189847629017. The next prime is 189847629031. The reversal of 189847629019 is 910926748981.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189847629019 - 2¹ = 189847629017 is a prime.

It is a super-2 number, since 2×189847629019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189847629011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116172 + ... + 627049.

It is an arithmetic number, because the mean of its divisors is an integer number (23896816966).

Almost surely, 2^189847629019 is an apocalyptic number.

189847629019 is a deficient number, since it is larger than the sum of its proper divisors (1326906709).

189847629019 is a wasteful number, since it uses less digits than its factorization.

189847629019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745005.

The product of its (nonzero) digits is 15676416, while the sum is 64.

The spelling of 189847629019 in words is "one hundred eighty-nine billion, eight hundred forty-seven million, six hundred twenty-nine thousand, nineteen".