39430203493 has 4 divisors (see below), whose sum is σ = 39445784928. Its totient is φ = 39414622060.

The previous prime is 39430203469. The next prime is 39430203497.

39430203493 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39430203493 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 (39430203497) 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, 7786921 + ... + 7791982.

It is an arithmetic number, because the mean of its divisors is an integer number (9861446232).

Almost surely, 2^39430203493 is an apocalyptic number.

It is an amenable number.

39430203493 is a deficient number, since it is larger than the sum of its proper divisors (15581435).

39430203493 is a wasteful number, since it uses less digits than its factorization.

39430203493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15581434.

The product of its (nonzero) digits is 209952, while the sum is 40.

The spelling of 39430203493 in words is "thirty-nine billion, four hundred thirty million, two hundred three thousand, four hundred ninety-three".