6406430325 has 12 divisors (see below), whose sum is σ = 10591964928. Its totient is φ = 3416762800.

The previous prime is 6406430311. The next prime is 6406430351. The reversal of 6406430325 is 5230346046.

It is not a de Polignac number, because 6406430325 - 2⁷ = 6406430197 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42709461 + ... + 42709610.

It is an arithmetic number, because the mean of its divisors is an integer number (882663744).

Almost surely, 2^6406430325 is an apocalyptic number.

It is an amenable number.

6406430325 is a deficient number, since it is larger than the sum of its proper divisors (4185534603).

6406430325 is a wasteful number, since it uses less digits than its factorization.

6406430325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85419084 (or 85419079 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 6406430325 is about 80040.1794413281. The cubic root of 6406430325 is about 1857.2571362405.

The spelling of 6406430325 in words is "six billion, four hundred six million, four hundred thirty thousand, three hundred twenty-five".