2649258640286 has 4 divisors (see below), whose sum is σ = 3973887960432. Its totient is φ = 1324629320142.

The previous prime is 2649258640271. The next prime is 2649258640291. The reversal of 2649258640286 is 6820468529462.

It is a happy number.

2649258640286 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662314660070 + ... + 662314660073.

It is an arithmetic number, because the mean of its divisors is an integer number (993471990108).

Almost surely, 2^{2649258640286} is an apocalyptic number.

2649258640286 is a deficient number, since it is larger than the sum of its proper divisors (1324629320146).

2649258640286 is a wasteful number, since it uses less digits than its factorization.

2649258640286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324629320145.

The product of its (nonzero) digits is 79626240, while the sum is 62.

The spelling of 2649258640286 in words is "two trillion, six hundred forty-nine billion, two hundred fifty-eight million, six hundred forty thousand, two hundred eighty-six".