1186472240949 has 4 divisors (see below), whose sum is σ = 1581962987936. Its totient is φ = 790981493964.

The previous prime is 1186472240927. The next prime is 1186472240953. The reversal of 1186472240949 is 9490422746811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1186472240949 - 2²¹ = 1186470143797 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 (1186472240749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197745373489 + ... + 197745373494.

It is an arithmetic number, because the mean of its divisors is an integer number (395490746984).

Almost surely, 2^{1186472240949} is an apocalyptic number.

It is an amenable number.

1186472240949 is a deficient number, since it is larger than the sum of its proper divisors (395490746987).

1186472240949 is an equidigital number, since it uses as much as digits as its factorization.

1186472240949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395490746986.

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 1186472240949 in words is "one trillion, one hundred eighty-six billion, four hundred seventy-two million, two hundred forty thousand, nine hundred forty-nine".