6403363940007 has 24 divisors (see below), whose sum is σ = 9548022781440. Its totient is φ = 4131049073040.

The previous prime is 6403363939967. The next prime is 6403363940009. The reversal of 6403363940007 is 7000493633046.

6403363940007 is a `hidden beast` number, since 6 + 4 + 0 + 3 + 3 + 639 + 4 + 0 + 0 + 0 + 7 = 666.

It is not a de Polignac number, because 6403363940007 - 2³¹ = 6401216456359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403363940009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7351344 + ... + 8176122.

It is an arithmetic number, because the mean of its divisors is an integer number (397834282560).

Almost surely, 2^{6403363940007} is an apocalyptic number.

6403363940007 is a deficient number, since it is larger than the sum of its proper divisors (3144658841433).

6403363940007 is a wasteful number, since it uses less digits than its factorization.

6403363940007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852643 (or 852640 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 45.

The spelling of 6403363940007 in words is "six trillion, four hundred three billion, three hundred sixty-three million, nine hundred forty thousand, seven".