42800514989 has 2 divisors, whose sum is σ = 42800514990. Its totient is φ = 42800514988.

The previous prime is 42800514937. The next prime is 42800515039. The reversal of 42800514989 is 98941500824.

It is an a-pointer prime, because the next prime (42800515039) can be obtained adding 42800514989 to its sum of digits (50).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35115012100 + 7685502889 = 187390^2 + 87667^2 .

It is a cyclic number.

It is not a de Polignac number, because 42800514989 - 2¹⁶ = 42800449453 is a prime.

It is a super-2 number, since 2×42800514989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42800514929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21400257494 + 21400257495.

It is an arithmetic number, because the mean of its divisors is an integer number (21400257495).

Almost surely, 2^42800514989 is an apocalyptic number.

It is an amenable number.

42800514989 is a deficient number, since it is larger than the sum of its proper divisors (1).

42800514989 is an equidigital number, since it uses as much as digits as its factorization.

42800514989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 42800514989 in words is "forty-two billion, eight hundred million, five hundred fourteen thousand, nine hundred eighty-nine".