210429660053 has 8 divisors (see below), whose sum is σ = 217469724696. Its totient is φ = 203480435200.

The previous prime is 210429660043. The next prime is 210429660061. The reversal of 210429660053 is 350066924012.

It can be written as a sum of positive squares in 4 ways, for example, as 1472794129 + 208956865924 = 38377^2 + 457118^2 .

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 210429660053 - 2²² = 210425465749 is a prime.

It is a super-2 number, since 2×210429660053² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210429659989 and 210429660016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210429660043) 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, 22705238 + ... + 22714503.

It is an arithmetic number, because the mean of its divisors is an integer number (27183715587).

Almost surely, 2^210429660053 is an apocalyptic number.

It is an amenable number.

210429660053 is a deficient number, since it is larger than the sum of its proper divisors (7040064643).

210429660053 is a wasteful number, since it uses less digits than its factorization.

210429660053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45419895.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 210429660053 in words is "two hundred ten billion, four hundred twenty-nine million, six hundred sixty thousand, fifty-three".