42774154859 has 2 divisors, whose sum is σ = 42774154860. Its totient is φ = 42774154858.

The previous prime is 42774154831. The next prime is 42774154867. The reversal of 42774154859 is 95845147724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42774154859 - 2³² = 38479187563 is a prime.

It is not a weakly prime, because it can be changed into another prime (42774154879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21387077429 + 21387077430.

It is an arithmetic number, because the mean of its divisors is an integer number (21387077430).

Almost surely, 2^42774154859 is an apocalyptic number.

42774154859 is a deficient number, since it is larger than the sum of its proper divisors (1).

42774154859 is an equidigital number, since it uses as much as digits as its factorization.

42774154859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11289600, while the sum is 56.

The spelling of 42774154859 in words is "forty-two billion, seven hundred seventy-four million, one hundred fifty-four thousand, eight hundred fifty-nine".