42633970507 has 4 divisors (see below), whose sum is σ = 42657359040. Its totient is φ = 42610581976.

The previous prime is 42633970487. The next prime is 42633970529. The reversal of 42633970507 is 70507933624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42633970507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42633970537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11691532 + ... + 11695177.

It is an arithmetic number, because the mean of its divisors is an integer number (10664339760).

Almost surely, 2^42633970507 is an apocalyptic number.

42633970507 is a deficient number, since it is larger than the sum of its proper divisors (23388533).

42633970507 is a wasteful number, since it uses less digits than its factorization.

42633970507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23388532.

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 42633970507 in words is "forty-two billion, six hundred thirty-three million, nine hundred seventy thousand, five hundred seven".