1189496066950 has 48 divisors (see below), whose sum is σ = 2278255722480. Its totient is φ = 461717262720.

The previous prime is 1189496066893. The next prime is 1189496066951. The reversal of 1189496066950 is 596606949811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189496066951) 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, 147097 + ... + 1549396.

It is an arithmetic number, because the mean of its divisors is an integer number (47463660885).

Almost surely, 2^{1189496066950} is an apocalyptic number.

1189496066950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1189496066950 is a deficient number, since it is larger than the sum of its proper divisors (1088759655530).

1189496066950 is a wasteful number, since it uses less digits than its factorization.

1189496066950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696921 (or 1696916 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 64.

The spelling of 1189496066950 in words is "one trillion, one hundred eighty-nine billion, four hundred ninety-six million, sixty-six thousand, nine hundred fifty".