210853117651 has 8 divisors (see below), whose sum is σ = 230025071808. Its totient is φ = 191681745000.

The previous prime is 210853117603. The next prime is 210853117681. The reversal of 210853117651 is 156711358012.

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 210853117651 - 2¹⁹ = 210852593363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210853117681) 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, 1016716 + ... + 1206406.

It is an arithmetic number, because the mean of its divisors is an integer number (28753133976).

Almost surely, 2^210853117651 is an apocalyptic number.

210853117651 is a deficient number, since it is larger than the sum of its proper divisors (19171954157).

210853117651 is a wasteful number, since it uses less digits than its factorization.

210853117651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290753.

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 210853117651 in words is "two hundred ten billion, eight hundred fifty-three million, one hundred seventeen thousand, six hundred fifty-one".