4012538662687 has 2 divisors, whose sum is σ = 4012538662688. Its totient is φ = 4012538662686.

The previous prime is 4012538662661. The next prime is 4012538662757. The reversal of 4012538662687 is 7862668352104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4012538662687 - 2¹⁵ = 4012538629919 is a prime.

It is a super-2 number, since 2×4012538662687² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4012538662607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006269331343 + 2006269331344.

It is an arithmetic number, because the mean of its divisors is an integer number (2006269331344).

Almost surely, 2^{4012538662687} is an apocalyptic number.

4012538662687 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012538662687 is an equidigital number, since it uses as much as digits as its factorization.

4012538662687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 4012538662687 in words is "four trillion, twelve billion, five hundred thirty-eight million, six hundred sixty-two thousand, six hundred eighty-seven".