42898637205 has 20 divisors (see below), whose sum is σ = 76899780012. Its totient is φ = 22879272960.

The previous prime is 42898637161. The next prime is 42898637269. The reversal of 42898637205 is 50273689824.

42898637205 is a `hidden beast` number, since 428 + 9 + 8 + 6 + 3 + 7 + 205 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8705449809 + 34193187396 = 93303^2 + 184914^2 .

It is not a de Polignac number, because 42898637205 - 2¹⁶ = 42898571669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52960876 + ... + 52961685.

Almost surely, 2^42898637205 is an apocalyptic number.

42898637205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42898637205 is a deficient number, since it is larger than the sum of its proper divisors (34001142807).

42898637205 is a wasteful number, since it uses less digits than its factorization.

42898637205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105922578 (or 105922569 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 42898637205 in words is "forty-two billion, eight hundred ninety-eight million, six hundred thirty-seven thousand, two hundred five".