42347690329 has 8 divisors (see below), whose sum is σ = 48410258688. Its totient is φ = 36288346560.

The previous prime is 42347690309. The next prime is 42347690347. The reversal of 42347690329 is 92309674324.

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 42347690329 - 2⁷ = 42347690201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42347690309) 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, 777937 + ... + 830590.

It is an arithmetic number, because the mean of its divisors is an integer number (6051282336).

Almost surely, 2^42347690329 is an apocalyptic number.

It is an amenable number.

42347690329 is a deficient number, since it is larger than the sum of its proper divisors (6062568359).

42347690329 is a wasteful number, since it uses less digits than its factorization.

42347690329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612295.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The spelling of 42347690329 in words is "forty-two billion, three hundred forty-seven million, six hundred ninety thousand, three hundred twenty-nine".