2747447949 has 8 divisors (see below), whose sum is σ = 3664806880. Its totient is φ = 1830860496.

The previous prime is 2747447939. The next prime is 2747447971. The reversal of 2747447949 is 9497447472.

2747447949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2747447949 - 2¹⁶ = 2747382413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2747447939) 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, 184507 + ... + 198840.

It is an arithmetic number, because the mean of its divisors is an integer number (458100860).

Almost surely, 2^2747447949 is an apocalyptic number.

It is an amenable number.

2747447949 is a deficient number, since it is larger than the sum of its proper divisors (917358931).

2747447949 is a wasteful number, since it uses less digits than its factorization.

2747447949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385739.

The product of its digits is 14224896, while the sum is 57.

The square root of 2747447949 is about 52416.1039090087. The cubic root of 2747447949 is about 1400.5861404497.

The spelling of 2747447949 in words is "two billion, seven hundred forty-seven million, four hundred forty-seven thousand, nine hundred forty-nine".