2430556493 has 2 divisors, whose sum is σ = 2430556494. Its totient is φ = 2430556492.

The previous prime is 2430556481. The next prime is 2430556511. The reversal of 2430556493 is 3946550342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1690607689 + 739948804 = 41117^2 + 27202^2 .

It is a cyclic number.

It is not a de Polignac number, because 2430556493 - 2⁴ = 2430556477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2430556493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2430556393) 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, 1215278246 + 1215278247.

It is an arithmetic number, because the mean of its divisors is an integer number (1215278247).

Almost surely, 2^2430556493 is an apocalyptic number.

It is an amenable number.

2430556493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2430556493 is an equidigital number, since it uses as much as digits as its factorization.

2430556493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 41.

The square root of 2430556493 is about 49300.6743665845. The cubic root of 2430556493 is about 1344.5240445442.

The spelling of 2430556493 in words is "two billion, four hundred thirty million, five hundred fifty-six thousand, four hundred ninety-three".