6403424445 has 96 divisors (see below), whose sum is σ = 12314300544. Its totient is φ = 3052339200.

The previous prime is 6403424381. The next prime is 6403424471. The reversal of 6403424445 is 5444243046.

6403424445 is a `hidden beast` number, since 6 + 403 + 4 + 244 + 4 + 5 = 666.

It is not a de Polignac number, because 6403424445 - 2⁶ = 6403424381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9266550 + ... + 9267240.

It is an arithmetic number, because the mean of its divisors is an integer number (128273964).

Almost surely, 2^6403424445 is an apocalyptic number.

It is an amenable number.

6403424445 is a deficient number, since it is larger than the sum of its proper divisors (5910876099).

6403424445 is a wasteful number, since it uses less digits than its factorization.

6403424445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

The square root of 6403424445 is about 80021.3999190217. The cubic root of 6403424445 is about 1856.9666174360.

The spelling of 6403424445 in words is "six billion, four hundred three million, four hundred twenty-four thousand, four hundred forty-five".