1181937470449 has 8 divisors (see below), whose sum is σ = 1188063676800. Its totient is φ = 1175823629376.

The previous prime is 1181937470447. The next prime is 1181937470459. The reversal of 1181937470449 is 9440747391811.

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

It is a cyclic number.

It is not a de Polignac number, because 1181937470449 - 2¹ = 1181937470447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1181937470393 and 1181937470402.

It is not an unprimeable number, because it can be changed into a prime (1181937470443) 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, 2899624 + ... + 3282025.

It is an arithmetic number, because the mean of its divisors is an integer number (148507959600).

Almost surely, 2^{1181937470449} is an apocalyptic number.

It is an amenable number.

1181937470449 is a deficient number, since it is larger than the sum of its proper divisors (6126206351).

1181937470449 is an equidigital number, since it uses as much as digits as its factorization.

1181937470449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6182639.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 1181937470449 in words is "one trillion, one hundred eighty-one billion, nine hundred thirty-seven million, four hundred seventy thousand, four hundred forty-nine".