1209476749133 has 8 divisors (see below), whose sum is σ = 1275059505120. Its totient is φ = 1144086601680.

The previous prime is 1209476749127. The next prime is 1209476749141. The reversal of 1209476749133 is 3319476749021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1209476749133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1209476749163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48139235 + ... + 48164352.

It is an arithmetic number, because the mean of its divisors is an integer number (159382438140).

Almost surely, 2^{1209476749133} is an apocalyptic number.

It is an amenable number.

1209476749133 is a deficient number, since it is larger than the sum of its proper divisors (65582755987).

1209476749133 is an equidigital number, since it uses as much as digits as its factorization.

1209476749133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96304267.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The spelling of 1209476749133 in words is "one trillion, two hundred nine billion, four hundred seventy-six million, seven hundred forty-nine thousand, one hundred thirty-three".