213425253886 has 16 divisors (see below), whose sum is σ = 345320866800. Its totient is φ = 98344821888.

The previous prime is 213425253863. The next prime is 213425253911. The reversal of 213425253886 is 688352524312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6614491 + ... + 6646678.

It is an arithmetic number, because the mean of its divisors is an integer number (21582554175).

Almost surely, 2^213425253886 is an apocalyptic number.

213425253886 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

213425253886 is a deficient number, since it is larger than the sum of its proper divisors (131895612914).

213425253886 is a wasteful number, since it uses less digits than its factorization.

213425253886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13261803.

The product of its digits is 2764800, while the sum is 49.

The spelling of 213425253886 in words is "two hundred thirteen billion, four hundred twenty-five million, two hundred fifty-three thousand, eight hundred eighty-six".