2718011987 has 2 divisors, whose sum is σ = 2718011988. Its totient is φ = 2718011986.

The previous prime is 2718011957. The next prime is 2718011999. The reversal of 2718011987 is 7891108172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2718011987 - 2¹⁸ = 2717749843 is a prime.

It is a super-2 number, since 2×2718011987² = 14775178322951376338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2718011917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1359005993 + 1359005994.

It is an arithmetic number, because the mean of its divisors is an integer number (1359005994).

Almost surely, 2^2718011987 is an apocalyptic number.

2718011987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2718011987 is an equidigital number, since it uses as much as digits as its factorization.

2718011987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 44.

The square root of 2718011987 is about 52134.5565532114. The cubic root of 2718011987 is about 1395.5662431497.

The spelling of 2718011987 in words is "two billion, seven hundred eighteen million, eleven thousand, nine hundred eighty-seven".