2647581046 has 16 divisors (see below), whose sum is σ = 4333205520. Its totient is φ = 1203223680.

The previous prime is 2647581043. The next prime is 2647581047. The reversal of 2647581046 is 6401857462.

It is a junction number, because it is equal to n+sod(n) for n = 2647580993 and 2647581011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2647581043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 198970 + ... + 211858.

It is an arithmetic number, because the mean of its divisors is an integer number (270825345).

Almost surely, 2^2647581046 is an apocalyptic number.

2647581046 is a deficient number, since it is larger than the sum of its proper divisors (1685624474).

2647581046 is a wasteful number, since it uses less digits than its factorization.

2647581046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22239.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 2647581046 is about 51454.6503826428. The cubic root of 2647581046 is about 1383.4063169636.

The spelling of 2647581046 in words is "two billion, six hundred forty-seven million, five hundred eighty-one thousand, forty-six".