210140402563 has 16 divisors (see below), whose sum is σ = 258648546240. Its totient is φ = 166255802496.

The previous prime is 210140402551. The next prime is 210140402579. The reversal of 210140402563 is 365204041012.

It is a de Polignac number, because none of the positive numbers 2^k-210140402563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210140402503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1952973 + ... + 2057761.

It is an arithmetic number, because the mean of its divisors is an integer number (16165534140).

Almost surely, 2^210140402563 is an apocalyptic number.

210140402563 is a deficient number, since it is larger than the sum of its proper divisors (48508143677).

210140402563 is a wasteful number, since it uses less digits than its factorization.

210140402563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126846.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 210140402563 its reverse (365204041012), we get a palindrome (575344443575).

The spelling of 210140402563 in words is "two hundred ten billion, one hundred forty million, four hundred two thousand, five hundred sixty-three".