42716986651 has 4 divisors (see below), whose sum is σ = 42724293304. Its totient is φ = 42709680000.

The previous prime is 42716986639. The next prime is 42716986681. The reversal of 42716986651 is 15668961724.

It is a semiprime because it is the product of two primes.

It is a 7-Lehmer number, since φ(42716986651) divides (42716986651-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 42716986651 - 2⁵ = 42716986619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42716986592 and 42716986601.

It is not an unprimeable number, because it can be changed into a prime (42716986681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3644550 + ... + 3656251.

It is an arithmetic number, because the mean of its divisors is an integer number (10681073326).

Almost surely, 2^42716986651 is an apocalyptic number.

42716986651 is the 92431-st centered decagonal number.

42716986651 is a deficient number, since it is larger than the sum of its proper divisors (7306653).

42716986651 is an equidigital number, since it uses as much as digits as its factorization.

42716986651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7306652.

The product of its digits is 4354560, while the sum is 55.

The spelling of 42716986651 in words is "forty-two billion, seven hundred sixteen million, nine hundred eighty-six thousand, six hundred fifty-one".