42976666551187 has 2 divisors, whose sum is σ = 42976666551188. Its totient is φ = 42976666551186.

The previous prime is 42976666551173. The next prime is 42976666551271. The reversal of 42976666551187 is 78115566667924.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42976666551187 is a prime.

It is a super-2 number, since 2×42976666551187² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42976666501187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21488333275593 + 21488333275594.

It is an arithmetic number, because the mean of its divisors is an integer number (21488333275594).

Almost surely, 2^{42976666551187} is an apocalyptic number.

42976666551187 is a deficient number, since it is larger than the sum of its proper divisors (1).

42976666551187 is an equidigital number, since it uses as much as digits as its factorization.

42976666551187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 914457600, while the sum is 73.

The spelling of 42976666551187 in words is "forty-two trillion, nine hundred seventy-six billion, six hundred sixty-six million, five hundred fifty-one thousand, one hundred eighty-seven".