2649189048 has 64 divisors (see below), whose sum is σ = 7420360320. Its totient is φ = 781084800.

The previous prime is 2649189029. The next prime is 2649189061. The reversal of 2649189048 is 8409819462.

It is a super-2 number, since 2×2649189048² = 14036405224086292608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125838 + ... + 145373.

It is an arithmetic number, because the mean of its divisors is an integer number (115943130).

Almost surely, 2^2649189048 is an apocalyptic number.

It is an amenable number.

2649189048 is an abundant number, since it is smaller than the sum of its proper divisors (4771171272).

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

2649189048 is a wasteful number, since it uses less digits than its factorization.

2649189048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271268 (or 271264 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The square root of 2649189048 is about 51470.2734401130. The cubic root of 2649189048 is about 1383.6863297860.

The spelling of 2649189048 in words is "two billion, six hundred forty-nine million, one hundred eighty-nine thousand, forty-eight".