11949467774 has 4 divisors (see below), whose sum is σ = 17924201664. Its totient is φ = 5974733886.

The previous prime is 11949467759. The next prime is 11949467791. The reversal of 11949467774 is 47776494911.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2987366942 + ... + 2987366945.

It is an arithmetic number, because the mean of its divisors is an integer number (4481050416).

Almost surely, 2^11949467774 is an apocalyptic number.

11949467774 is a deficient number, since it is larger than the sum of its proper divisors (5974733890).

11949467774 is an equidigital number, since it uses as much as digits as its factorization.

11949467774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5974733889.

The product of its digits is 10668672, while the sum is 59.

The spelling of 11949467774 in words is "eleven billion, nine hundred forty-nine million, four hundred sixty-seven thousand, seven hundred seventy-four".