42339630731 has 8 divisors (see below), whose sum is σ = 42388936128. Its totient is φ = 42290352000.

The previous prime is 42339630701. The next prime is 42339630733. The reversal of 42339630731 is 13703693324.

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 42339630731 - 2⁶ = 42339630667 is a prime.

It is a super-2 number, since 2×42339630731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42339630733) 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, 5610821 + ... + 5618361.

It is an arithmetic number, because the mean of its divisors is an integer number (5298617016).

Almost surely, 2^42339630731 is an apocalyptic number.

42339630731 is a deficient number, since it is larger than the sum of its proper divisors (49305397).

42339630731 is a wasteful number, since it uses less digits than its factorization.

42339630731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13333.

The product of its (nonzero) digits is 244944, while the sum is 41.

The spelling of 42339630731 in words is "forty-two billion, three hundred thirty-nine million, six hundred thirty thousand, seven hundred thirty-one".