2009393431 has 8 divisors (see below), whose sum is σ = 2119748400. Its totient is φ = 1899498240.

The previous prime is 2009393429. The next prime is 2009393453. The reversal of 2009393431 is 1343939002.

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

It is a cyclic number.

It is not a de Polignac number, because 2009393431 - 2¹ = 2009393429 is a prime.

It is a super-2 number, since 2×2009393431² = 8075323921091903522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009313431) 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, 105946 + ... + 123463.

It is an arithmetic number, because the mean of its divisors is an integer number (264968550).

Almost surely, 2^2009393431 is an apocalyptic number.

2009393431 is a deficient number, since it is larger than the sum of its proper divisors (110354969).

2009393431 is a wasteful number, since it uses less digits than its factorization.

2009393431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229889.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 2009393431 is about 44826.2582757026. The cubic root of 2009393431 is about 1261.8904667498.

The spelling of 2009393431 in words is "two billion, nine million, three hundred ninety-three thousand, four hundred thirty-one".