207453406403 has 16 divisors (see below), whose sum is σ = 220274565120. Its totient is φ = 194825082816.

The previous prime is 207453406343. The next prime is 207453406411. The reversal of 207453406403 is 304604354702.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207453406403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207453406453) 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, 2915951 + ... + 2986247.

It is an arithmetic number, because the mean of its divisors is an integer number (13767160320).

Almost surely, 2^207453406403 is an apocalyptic number.

207453406403 is a deficient number, since it is larger than the sum of its proper divisors (12821158717).

207453406403 is a wasteful number, since it uses less digits than its factorization.

207453406403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71666.

The product of its (nonzero) digits is 241920, while the sum is 38.

The spelling of 207453406403 in words is "two hundred seven billion, four hundred fifty-three million, four hundred six thousand, four hundred three".