213425614642 has 8 divisors (see below), whose sum is σ = 320443609500. Its totient is φ = 106611078144.

The previous prime is 213425614639. The next prime is 213425614663. The reversal of 213425614642 is 246416524312.

It can be written as a sum of positive squares in 2 ways, for example, as 211729739881 + 1695874761 = 460141^2 + 41181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 213425614595 and 213425614604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50861967 + ... + 50866162.

Almost surely, 2^213425614642 is an apocalyptic number.

213425614642 is a deficient number, since it is larger than the sum of its proper divisors (107017994858).

213425614642 is a wasteful number, since it uses less digits than its factorization.

213425614642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101729180.

The product of its digits is 276480, while the sum is 40.

The spelling of 213425614642 in words is "two hundred thirteen billion, four hundred twenty-five million, six hundred fourteen thousand, six hundred forty-two".