42774308639 has 8 divisors (see below), whose sum is σ = 43436110848. Its totient is φ = 42113194200.

The previous prime is 42774308623. The next prime is 42774308641. The reversal of 42774308639 is 93680347724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42774308639 - 2⁴ = 42774308623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42774308939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45887 + ... + 296064.

It is an arithmetic number, because the mean of its divisors is an integer number (5429513856).

Almost surely, 2^42774308639 is an apocalyptic number.

42774308639 is a deficient number, since it is larger than the sum of its proper divisors (661802209).

42774308639 is a wasteful number, since it uses less digits than its factorization.

42774308639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343885.

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 42774308639 in words is "forty-two billion, seven hundred seventy-four million, three hundred eight thousand, six hundred thirty-nine".