30126690287 has 2 divisors, whose sum is σ = 30126690288. Its totient is φ = 30126690286.

The previous prime is 30126690257. The next prime is 30126690331. The reversal of 30126690287 is 78209662103.

It is an a-pointer prime, because the next prime (30126690331) can be obtained adding 30126690287 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30126690287 - 2⁸ = 30126690031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30126690247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15063345143 + 15063345144.

It is an arithmetic number, because the mean of its divisors is an integer number (15063345144).

Almost surely, 2^30126690287 is an apocalyptic number.

30126690287 is a deficient number, since it is larger than the sum of its proper divisors (1).

30126690287 is an equidigital number, since it uses as much as digits as its factorization.

30126690287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 30126690287 in words is "thirty billion, one hundred twenty-six million, six hundred ninety thousand, two hundred eighty-seven".