2542433987 has 2 divisors, whose sum is σ = 2542433988. Its totient is φ = 2542433986.

The previous prime is 2542433981. The next prime is 2542434073. The reversal of 2542433987 is 7893342452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2542433987 - 2¹⁸ = 2542171843 is a prime.

It is not a weakly prime, because it can be changed into another prime (2542433981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271216993 + 1271216994.

It is an arithmetic number, because the mean of its divisors is an integer number (1271216994).

Almost surely, 2^2542433987 is an apocalyptic number.

2542433987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542433987 is an equidigital number, since it uses as much as digits as its factorization.

2542433987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 47.

The square root of 2542433987 is about 50422.5543482279. The cubic root of 2542433987 is about 1364.8446713277.

The spelling of 2542433987 in words is "two billion, five hundred forty-two million, four hundred thirty-three thousand, nine hundred eighty-seven".