1189496066949 has 24 divisors (see below), whose sum is σ = 1781865015840. Its totient is φ = 792966919536.

The previous prime is 1189496066893. The next prime is 1189496066951. The reversal of 1189496066949 is 9496606949811.

1189496066949 is a `hidden beast` number, since 1 + 1 + 8 + 9 + 4 + 9 + 606 + 6 + 9 + 4 + 9 = 666.

It is not a de Polignac number, because 1189496066949 - 2⁷ = 1189496066821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189496066149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7507819 + ... + 7664615.

It is an arithmetic number, because the mean of its divisors is an integer number (74244375660).

Almost surely, 2^{1189496066949} is an apocalyptic number.

It is an amenable number.

1189496066949 is a deficient number, since it is larger than the sum of its proper divisors (592368948891).

1189496066949 is an equidigital number, since it uses as much as digits as its factorization.

1189496066949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188031 (or 188019 counting only the distinct ones).

The product of its (nonzero) digits is 181398528, while the sum is 72.

The spelling of 1189496066949 in words is "one trillion, one hundred eighty-nine billion, four hundred ninety-six million, sixty-six thousand, nine hundred forty-nine".