42849883487 has 2 divisors, whose sum is σ = 42849883488. Its totient is φ = 42849883486.

The previous prime is 42849883429. The next prime is 42849883519. The reversal of 42849883487 is 78438894824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42849883487 - 2¹⁸ = 42849621343 is a prime.

It is a super-2 number, since 2×42849883487² (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 (42849883787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21424941743 + 21424941744.

It is an arithmetic number, because the mean of its divisors is an integer number (21424941744).

Almost surely, 2^42849883487 is an apocalyptic number.

42849883487 is a deficient number, since it is larger than the sum of its proper divisors (1).

42849883487 is an equidigital number, since it uses as much as digits as its factorization.

42849883487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 99090432, while the sum is 65.

The spelling of 42849883487 in words is "forty-two billion, eight hundred forty-nine million, eight hundred eighty-three thousand, four hundred eighty-seven".