2744421647 has 8 divisors (see below), whose sum is σ = 2997183360. Its totient is φ = 2492204760.

The previous prime is 2744421587. The next prime is 2744421653. The reversal of 2744421647 is 7461244472.

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 2744421647 - 2⁸ = 2744421391 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 (2744421347) 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, 125633 + ... + 145850.

It is an arithmetic number, because the mean of its divisors is an integer number (374647920).

Almost surely, 2^2744421647 is an apocalyptic number.

2744421647 is a deficient number, since it is larger than the sum of its proper divisors (252761713).

2744421647 is a wasteful number, since it uses less digits than its factorization.

2744421647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272413.

The product of its digits is 301056, while the sum is 41.

The square root of 2744421647 is about 52387.2278995558. The cubic root of 2744421647 is about 1400.0717050008.

The spelling of 2744421647 in words is "two billion, seven hundred forty-four million, four hundred twenty-one thousand, six hundred forty-seven".