2076556428989 has 32 divisors (see below), whose sum is σ = 2542291288320. Its totient is φ = 1656659755008.

The previous prime is 2076556428977. The next prime is 2076556429039. The reversal of 2076556428989 is 9898246556702.

It is a cyclic number.

It is not a de Polignac number, because 2076556428989 - 2¹² = 2076556424893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2076556428949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1179989 + ... + 2354885.

It is an arithmetic number, because the mean of its divisors is an integer number (79446602760).

Almost surely, 2^{2076556428989} is an apocalyptic number.

It is an amenable number.

2076556428989 is a deficient number, since it is larger than the sum of its proper divisors (465734859331).

2076556428989 is a wasteful number, since it uses less digits than its factorization.

2076556428989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175157.

The product of its (nonzero) digits is 522547200, while the sum is 71.

The spelling of 2076556428989 in words is "two trillion, seventy-six billion, five hundred fifty-six million, four hundred twenty-eight thousand, nine hundred eighty-nine".