2930245639 has 2 divisors, whose sum is σ = 2930245640. Its totient is φ = 2930245638.

The previous prime is 2930245631. The next prime is 2930245651. The reversal of 2930245639 is 9365420392.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2930245639 - 2³ = 2930245631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2930245595 and 2930245604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2930245631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465122819 + 1465122820.

It is an arithmetic number, because the mean of its divisors is an integer number (1465122820).

Almost surely, 2^2930245639 is an apocalyptic number.

2930245639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2930245639 is an equidigital number, since it uses as much as digits as its factorization.

2930245639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 43.

The square root of 2930245639 is about 54131.7433582182. The cubic root of 2930245639 is about 1430.9836645739.

The spelling of 2930245639 in words is "two billion, nine hundred thirty million, two hundred forty-five thousand, six hundred thirty-nine".