1192509782449 has 16 divisors (see below), whose sum is σ = 1266961176000. Its totient is φ = 1120666859200.

The previous prime is 1192509782447. The next prime is 1192509782467. The reversal of 1192509782449 is 9442879052911.

It is not a de Polignac number, because 1192509782449 - 2¹ = 1192509782447 is a prime.

It is a super-2 number, since 2×1192509782449² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1192509782447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3277519 + ... + 3623140.

It is an arithmetic number, because the mean of its divisors is an integer number (79185073500).

Almost surely, 2^{1192509782449} is an apocalyptic number.

It is an amenable number.

1192509782449 is a deficient number, since it is larger than the sum of its proper divisors (74451393551).

1192509782449 is a wasteful number, since it uses less digits than its factorization.

1192509782449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6900848.

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 1192509782449 in words is "one trillion, one hundred ninety-two billion, five hundred nine million, seven hundred eighty-two thousand, four hundred forty-nine".