2978537039 has 2 divisors, whose sum is σ = 2978537040. Its totient is φ = 2978537038.

The previous prime is 2978536993. The next prime is 2978537041. The reversal of 2978537039 is 9307358792.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2978537039 is a prime.

Together with 2978537041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2978537239) 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, 1489268519 + 1489268520.

It is an arithmetic number, because the mean of its divisors is an integer number (1489268520).

Almost surely, 2^2978537039 is an apocalyptic number.

2978537039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2978537039 is an equidigital number, since it uses as much as digits as its factorization.

2978537039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2857680, while the sum is 53.

The square root of 2978537039 is about 54575.9749248696. The cubic root of 2978537039 is about 1438.8018967931.

The spelling of 2978537039 in words is "two billion, nine hundred seventy-eight million, five hundred thirty-seven thousand, thirty-nine".