42774251829 has 16 divisors (see below), whose sum is σ = 59125360320. Its totient is φ = 27473868800.

The previous prime is 42774251827. The next prime is 42774251831. The reversal of 42774251829 is 92815247724.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42774251827) and next prime (42774251831).

It is a cyclic number.

It is not a de Polignac number, because 42774251829 - 2¹ = 42774251827 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42774251827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485772 + ... + 567029.

It is an arithmetic number, because the mean of its divisors is an integer number (3695335020).

Almost surely, 2^42774251829 is an apocalyptic number.

It is an amenable number.

42774251829 is a deficient number, since it is larger than the sum of its proper divisors (16351108491).

42774251829 is a wasteful number, since it uses less digits than its factorization.

42774251829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053300.

The product of its digits is 2257920, while the sum is 51.

The spelling of 42774251829 in words is "forty-two billion, seven hundred seventy-four million, two hundred fifty-one thousand, eight hundred twenty-nine".