2043516023987 has 2 divisors, whose sum is σ = 2043516023988. Its totient is φ = 2043516023986.

The previous prime is 2043516023953. The next prime is 2043516024037. The reversal of 2043516023987 is 7893206153402.

It is an a-pointer prime, because the next prime (2043516024037) can be obtained adding 2043516023987 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043516023987 is a prime.

It is a super-3 number, since 3×2043516023987³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2043516023587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021758011993 + 1021758011994.

It is an arithmetic number, because the mean of its divisors is an integer number (1021758011994).

It is a 1-persistent number, because it is pandigital, but 2⋅2043516023987 = 4087032047974 is not.

Almost surely, 2^{2043516023987} is an apocalyptic number.

2043516023987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043516023987 is an equidigital number, since it uses as much as digits as its factorization.

2043516023987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 2043516023987 in words is "two trillion, forty-three billion, five hundred sixteen million, twenty-three thousand, nine hundred eighty-seven".