2149448254 has 4 divisors (see below), whose sum is σ = 3224172384. Its totient is φ = 1074724126.

The previous prime is 2149448251. The next prime is 2149448269. The reversal of 2149448254 is 4528449412.

2149448254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2149448254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149448251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537362062 + ... + 537362065.

It is an arithmetic number, because the mean of its divisors is an integer number (806043096).

Almost surely, 2^2149448254 is an apocalyptic number.

2149448254 is a deficient number, since it is larger than the sum of its proper divisors (1074724130).

2149448254 is a wasteful number, since it uses less digits than its factorization.

2149448254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074724129.

The product of its digits is 368640, while the sum is 43.

The square root of 2149448254 is about 46362.1424655936. The cubic root of 2149448254 is about 1290.5524653242.

The spelling of 2149448254 in words is "two billion, one hundred forty-nine million, four hundred forty-eight thousand, two hundred fifty-four".