2606779412 has 12 divisors (see below), whose sum is σ = 4578334740. Its totient is φ = 1298683776.

The previous prime is 2606779381. The next prime is 2606779421. The reversal of 2606779412 is 2149776062.

It can be written as a sum of positive squares in 2 ways, for example, as 838913296 + 1767866116 = 28964^2 + 42046^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175237 + ... + 1177452.

It is an arithmetic number, because the mean of its divisors is an integer number (381527895).

Almost surely, 2^2606779412 is an apocalyptic number.

It is an amenable number.

2606779412 is a deficient number, since it is larger than the sum of its proper divisors (1971555328).

2606779412 is a wasteful number, since it uses less digits than its factorization.

2606779412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352970 (or 2352968 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 2606779412 is about 51056.6294618045. The cubic root of 2606779412 is about 1376.2629783166.

The spelling of 2606779412 in words is "two billion, six hundred six million, seven hundred seventy-nine thousand, four hundred twelve".