210125626651313 has 8 divisors (see below), whose sum is σ = 222503558203080. Its totient is φ = 197749650718720.

The previous prime is 210125626651271. The next prime is 210125626651319. The reversal of 210125626651313 is 313156626521012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1297202546704 + 208828424104609 = 1138948^2 + 14450897^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 210125626651313 - 2¹⁴ = 210125626634929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210125626651319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488683568 + ... + 489113361.

It is an arithmetic number, because the mean of its divisors is an integer number (27812944775385).

Almost surely, 2^{210125626651313} is an apocalyptic number.

It is an amenable number.

210125626651313 is a deficient number, since it is larger than the sum of its proper divisors (12377931551767).

210125626651313 is a wasteful number, since it uses less digits than its factorization.

210125626651313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977809587.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 210125626651313 in words is "two hundred ten trillion, one hundred twenty-five billion, six hundred twenty-six million, six hundred fifty-one thousand, three hundred thirteen".