9426438837 has 6 divisors (see below), whose sum is σ = 13615967222. Its totient is φ = 6284292552.

The previous prime is 9426438823. The next prime is 9426438871. The reversal of 9426438837 is 7388346249.

9426438837 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7844467761 + 1581971076 = 88569^2 + 39774^2 .

It is not a de Polignac number, because 9426438837 - 2⁶ = 9426438773 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 (9426438737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 523691038 + ... + 523691055.

Almost surely, 2^9426438837 is an apocalyptic number.

It is an amenable number.

9426438837 is a deficient number, since it is larger than the sum of its proper divisors (4189528385).

9426438837 is a wasteful number, since it uses less digits than its factorization.

9426438837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047382099 (or 1047382096 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 9426438837 is about 97089.8492995020. The cubic root of 9426438837 is about 2112.4310932649.

The spelling of 9426438837 in words is "nine billion, four hundred twenty-six million, four hundred thirty-eight thousand, eight hundred thirty-seven".