405897098363 has 4 divisors (see below), whose sum is σ = 427260103560. Its totient is φ = 384534093168.

The previous prime is 405897098357. The next prime is 405897098371. The reversal of 405897098363 is 363890798504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405897098363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405897098296 and 405897098305.

It is not an unprimeable number, because it can be changed into a prime (405897098333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10681502570 + ... + 10681502607.

It is an arithmetic number, because the mean of its divisors is an integer number (106815025890).

Almost surely, 2^405897098363 is an apocalyptic number.

405897098363 is a deficient number, since it is larger than the sum of its proper divisors (21363005197).

405897098363 is a wasteful number, since it uses less digits than its factorization.

405897098363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21363005196.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 405897098363 in words is "four hundred five billion, eight hundred ninety-seven million, ninety-eight thousand, three hundred sixty-three".