42738009477 has 8 divisors (see below), whose sum is σ = 58822206720. Its totient is φ = 27572909280.

The previous prime is 42738009473. The next prime is 42738009481. The reversal of 42738009477 is 77490083724.

It is an interprime number because it is at equal distance from previous prime (42738009473) and next prime (42738009481).

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

It is not a de Polignac number, because 42738009477 - 2² = 42738009473 is a prime.

It is a super-2 number, since 2×42738009477² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42738009473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229774152 + ... + 229774337.

It is an arithmetic number, because the mean of its divisors is an integer number (7352775840).

Almost surely, 2^42738009477 is an apocalyptic number.

It is an amenable number.

42738009477 is a deficient number, since it is larger than the sum of its proper divisors (16084197243).

42738009477 is a wasteful number, since it uses less digits than its factorization.

42738009477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459548523.

The product of its (nonzero) digits is 2370816, while the sum is 51.

The spelling of 42738009477 in words is "forty-two billion, seven hundred thirty-eight million, nine thousand, four hundred seventy-seven".