2649720196 has 24 divisors (see below), whose sum is σ = 4741321536. Its totient is φ = 1295317920.

The previous prime is 2649720187. The next prime is 2649720197. The reversal of 2649720196 is 6910279462.

It is not an unprimeable number, because it can be changed into a prime (2649720197) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8235 + ... + 73261.

It is an arithmetic number, because the mean of its divisors is an integer number (197555064).

Almost surely, 2^2649720196 is an apocalyptic number.

It is an amenable number.

2649720196 is a deficient number, since it is larger than the sum of its proper divisors (2091601340).

2649720196 is a wasteful number, since it uses less digits than its factorization.

2649720196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65259 (or 65257 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 2649720196 is about 51475.4329364989. The cubic root of 2649720196 is about 1383.7787974684.

The spelling of 2649720196 in words is "two billion, six hundred forty-nine million, seven hundred twenty thousand, one hundred ninety-six".