1189349869634 has 16 divisors (see below), whose sum is σ = 1818205704000. Its totient is φ = 583287722160.

The previous prime is 1189349869633. The next prime is 1189349869649. The reversal of 1189349869634 is 4369689439811.

It is a super-2 number, since 2×1189349869634² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1189349869633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1232462 + ... + 1974249.

It is an arithmetic number, because the mean of its divisors is an integer number (113637856500).

Almost surely, 2^{1189349869634} is an apocalyptic number.

1189349869634 is a deficient number, since it is larger than the sum of its proper divisors (628855834366).

1189349869634 is a wasteful number, since it uses less digits than its factorization.

1189349869634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210265.

The product of its digits is 241864704, while the sum is 71.

The spelling of 1189349869634 in words is "one trillion, one hundred eighty-nine billion, three hundred forty-nine million, eight hundred sixty-nine thousand, six hundred thirty-four".