42437664399 has 8 divisors (see below), whose sum is σ = 60936133552. Its totient is φ = 26115485760.

The previous prime is 42437664391. The next prime is 42437664403. The reversal of 42437664399 is 99346673424.

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

It is not a de Polignac number, because 42437664399 - 2³ = 42437664391 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 (42437664391) 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, 544072582 + ... + 544072659.

It is an arithmetic number, because the mean of its divisors is an integer number (7617016694).

Almost surely, 2^42437664399 is an apocalyptic number.

42437664399 is a deficient number, since it is larger than the sum of its proper divisors (18498469153).

42437664399 is a wasteful number, since it uses less digits than its factorization.

42437664399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088145257.

The product of its digits is 23514624, while the sum is 57.

The spelling of 42437664399 in words is "forty-two billion, four hundred thirty-seven million, six hundred sixty-four thousand, three hundred ninety-nine".