6406009293 has 16 divisors (see below), whose sum is σ = 8790944256. Its totient is φ = 4147669680.

The previous prime is 6406009273. The next prime is 6406009303. The reversal of 6406009293 is 3929006046.

It is a happy number.

It is not a de Polignac number, because 6406009293 - 2¹² = 6406005197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6406009273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210171 + ... + 238712.

It is an arithmetic number, because the mean of its divisors is an integer number (549434016).

Almost surely, 2^6406009293 is an apocalyptic number.

It is an amenable number.

6406009293 is a deficient number, since it is larger than the sum of its proper divisors (2384934963).

6406009293 is a wasteful number, since it uses less digits than its factorization.

6406009293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449024.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 6406009293 is about 80037.5492690774. The cubic root of 6406009293 is about 1857.2164489009.

The spelling of 6406009293 in words is "six billion, four hundred six million, nine thousand, two hundred ninety-three".