1189652893 has 16 divisors (see below), whose sum is σ = 1424013696. Its totient is φ = 979467840.

The previous prime is 1189652881. The next prime is 1189652917. The reversal of 1189652893 is 3982569811.

It is not a de Polignac number, because 1189652893 - 2¹⁷ = 1189521821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1189652893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189652593) 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, 70905 + ... + 86062.

It is an arithmetic number, because the mean of its divisors is an integer number (89000856).

Almost surely, 2^1189652893 is an apocalyptic number.

1189652893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1189652893 is a deficient number, since it is larger than the sum of its proper divisors (234360803).

1189652893 is a wasteful number, since it uses less digits than its factorization.

1189652893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157044.

The product of its digits is 933120, while the sum is 52.

The square root of 1189652893 is about 34491.3451897719. The cubic root of 1189652893 is about 1059.5954588370.

The spelling of 1189652893 in words is "one billion, one hundred eighty-nine million, six hundred fifty-two thousand, eight hundred ninety-three".