213501425650 has 12 divisors (see below), whose sum is σ = 397112651802. Its totient is φ = 85400570240.

The previous prime is 213501425633. The next prime is 213501425699. The reversal of 213501425650 is 56524105312.

It can be written as a sum of positive squares in 3 ways, for example, as 205026934401 + 8474491249 = 452799^2 + 92057^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2135014207 + ... + 2135014306.

Almost surely, 2^213501425650 is an apocalyptic number.

213501425650 is a deficient number, since it is larger than the sum of its proper divisors (183611226152).

213501425650 is a wasteful number, since it uses less digits than its factorization.

213501425650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270028525 (or 4270028520 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 213501425650 in words is "two hundred thirteen billion, five hundred one million, four hundred twenty-five thousand, six hundred fifty".