213925941858 has 16 divisors (see below), whose sum is σ = 428270947776. Its totient is φ = 71238803280.

The previous prime is 213925941851. The next prime is 213925941899. The reversal of 213925941858 is 858149529312.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213925941798 and 213925941807.

It is not an unprimeable number, because it can be changed into a prime (213925941851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17454366 + ... + 17466617.

It is an arithmetic number, because the mean of its divisors is an integer number (26766934236).

Almost surely, 2^213925941858 is an apocalyptic number.

213925941858 is an abundant number, since it is smaller than the sum of its proper divisors (214345005918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213925941858 is a wasteful number, since it uses less digits than its factorization.

213925941858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34922009.

The product of its digits is 6220800, while the sum is 57.

The spelling of 213925941858 in words is "two hundred thirteen billion, nine hundred twenty-five million, nine hundred forty-one thousand, eight hundred fifty-eight".