2978558628563 has 12 divisors (see below), whose sum is σ = 3465098368992. Its totient is φ = 2552870129040.

The previous prime is 2978558628553. The next prime is 2978558628601. The reversal of 2978558628563 is 3658268558792.

It is not a de Polignac number, because 2978558628563 - 2⁶ = 2978558628499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2978558628553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1440395 + ... + 2834052.

It is an arithmetic number, because the mean of its divisors is an integer number (288758197416).

Almost surely, 2^{2978558628563} is an apocalyptic number.

2978558628563 is a deficient number, since it is larger than the sum of its proper divisors (486539740429).

2978558628563 is a wasteful number, since it uses less digits than its factorization.

2978558628563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288682 (or 4288675 counting only the distinct ones).

The product of its digits is 1741824000, while the sum is 74.

The spelling of 2978558628563 in words is "two trillion, nine hundred seventy-eight billion, five hundred fifty-eight million, six hundred twenty-eight thousand, five hundred sixty-three".