53424442439 has 2 divisors, whose sum is σ = 53424442440. Its totient is φ = 53424442438.

The previous prime is 53424442397. The next prime is 53424442517. The reversal of 53424442439 is 93424442435.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53424442439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53424442439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53424442739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26712221219 + 26712221220.

It is an arithmetic number, because the mean of its divisors is an integer number (26712221220).

Almost surely, 2^53424442439 is an apocalyptic number.

53424442439 is a deficient number, since it is larger than the sum of its proper divisors (1).

53424442439 is an equidigital number, since it uses as much as digits as its factorization.

53424442439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 44.

The spelling of 53424442439 in words is "fifty-three billion, four hundred twenty-four million, four hundred forty-two thousand, four hundred thirty-nine".