39473437493 has 24 divisors (see below), whose sum is σ = 47561563800. Its totient is φ = 32626341888.

The previous prime is 39473437489. The next prime is 39473437559.

39473437493 is nontrivially palindromic in base 10.

39473437493 is digitally balanced in base 2, 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 4 ways, for example, as 12254047204 + 27219390289 = 110698^2 + 164983^2 .

It is not a de Polignac number, because 39473437493 - 2² = 39473437489 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 (39473437433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1132421 + ... + 1166757.

It is an arithmetic number, because the mean of its divisors is an integer number (1981731825).

Almost surely, 2^39473437493 is an apocalyptic number.

It is an amenable number.

39473437493 is a deficient number, since it is larger than the sum of its proper divisors (8088126307).

39473437493 is a wasteful number, since it uses less digits than its factorization.

39473437493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35189 (or 35182 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 56.

The spelling of 39473437493 in words is "thirty-nine billion, four hundred seventy-three million, four hundred thirty-seven thousand, four hundred ninety-three".