1189680499438 has 16 divisors (see below), whose sum is σ = 1862137031040. Its totient is φ = 568968945336.

The previous prime is 1189680499387. The next prime is 1189680499453. The reversal of 1189680499438 is 8349940869811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3659281 + ... + 3971107.

It is an arithmetic number, because the mean of its divisors is an integer number (116383564440).

Almost surely, 2^{1189680499438} is an apocalyptic number.

1189680499438 is a deficient number, since it is larger than the sum of its proper divisors (672456531602).

1189680499438 is a wasteful number, since it uses less digits than its factorization.

1189680499438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394791.

The product of its (nonzero) digits is 107495424, while the sum is 70.

The spelling of 1189680499438 in words is "one trillion, one hundred eighty-nine billion, six hundred eighty million, four hundred ninety-nine thousand, four hundred thirty-eight".