42980759 has 2 divisors, whose sum is σ = 42980760. Its totient is φ = 42980758.

The previous prime is 42980747. The next prime is 42980761. The reversal of 42980759 is 95708924.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42980759 is a prime.

Together with 42980761, 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 (42980159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21490379 + 21490380.

It is an arithmetic number, because the mean of its divisors is an integer number (21490380).

Almost surely, 2^42980759 is an apocalyptic number.

42980759 is a deficient number, since it is larger than the sum of its proper divisors (1).

42980759 is an equidigital number, since it uses as much as digits as its factorization.

42980759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 42980759 is about 6555.9712476490. The cubic root of 42980759 is about 350.2875432953.

The spelling of 42980759 in words is "forty-two million, nine hundred eighty thousand, seven hundred fifty-nine".