2649043254 has 32 divisors (see below), whose sum is σ = 6224327424. Its totient is φ = 740990880.

The previous prime is 2649043223. The next prime is 2649043303. The reversal of 2649043254 is 4523409462.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1542874 + ... + 1544589.

It is an arithmetic number, because the mean of its divisors is an integer number (194510232).

Almost surely, 2^2649043254 is an apocalyptic number.

2649043254 is an abundant number, since it is smaller than the sum of its proper divisors (3575284170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2649043254 is a wasteful number, since it uses less digits than its factorization.

2649043254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087492.

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 2649043254 is about 51468.8571273931. The cubic root of 2649043254 is about 1383.6609463118.

The spelling of 2649043254 in words is "two billion, six hundred forty-nine million, forty-three thousand, two hundred fifty-four".