42544428190279 has 2 divisors, whose sum is σ = 42544428190280. Its totient is φ = 42544428190278.

The previous prime is 42544428190219. The next prime is 42544428190357. The reversal of 42544428190279 is 97209182444524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42544428190279 - 2⁷ = 42544428190151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42544428190219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21272214095139 + 21272214095140.

It is an arithmetic number, because the mean of its divisors is an integer number (21272214095140).

Almost surely, 2^{42544428190279} is an apocalyptic number.

42544428190279 is a deficient number, since it is larger than the sum of its proper divisors (1).

42544428190279 is an equidigital number, since it uses as much as digits as its factorization.

42544428190279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 42544428190279 in words is "forty-two trillion, five hundred forty-four billion, four hundred twenty-eight million, one hundred ninety thousand, two hundred seventy-nine".