2749078556946 has 48 divisors (see below), whose sum is σ = 6208622319744. Its totient is φ = 878285672352.

The previous prime is 2749078556923. The next prime is 2749078556953. The reversal of 2749078556946 is 6496558709472.

2749078556946 is a `hidden beast` number, since 2 + 7 + 490 + 7 + 85 + 56 + 9 + 4 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30759450 + ... + 30848693.

It is an arithmetic number, because the mean of its divisors is an integer number (129346298328).

Almost surely, 2^{2749078556946} is an apocalyptic number.

2749078556946 is an abundant number, since it is smaller than the sum of its proper divisors (3459543762798).

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

2749078556946 is a wasteful number, since it uses less digits than its factorization.

2749078556946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61608255 (or 61608252 counting only the distinct ones).

The product of its (nonzero) digits is 914457600, while the sum is 72.

The spelling of 2749078556946 in words is "two trillion, seven hundred forty-nine billion, seventy-eight million, five hundred fifty-six thousand, nine hundred forty-six".