4702194345645 has 28 divisors (see below), whose sum is σ = 8460079709916. Its totient is φ = 2507836982400.

The previous prime is 4702194345617. The next prime is 4702194345659. The reversal of 4702194345645 is 5465434912074.

4702194345645 is a `hidden beast` number, since 4 + 70 + 2 + 1 + 9 + 4 + 3 + 4 + 564 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 596209445316 + 4105984900329 = 772146^2 + 2026323^2 .

It is not a de Polignac number, because 4702194345645 - 2⁷ = 4702194345517 is a prime.

It is a super-3 number, since 3×4702194345645³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4702194345591 and 4702194345600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 645016156 + ... + 645023445.

Almost surely, 2^{4702194345645} is an apocalyptic number.

4702194345645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4702194345645 is a deficient number, since it is larger than the sum of its proper divisors (3757885364271).

4702194345645 is an equidigital number, since it uses as much as digits as its factorization.

4702194345645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290039624 (or 1290039609 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 4702194345645 in words is "four trillion, seven hundred two billion, one hundred ninety-four million, three hundred forty-five thousand, six hundred forty-five".