10505486983 has 4 divisors (see below), whose sum is σ = 10506045520. Its totient is φ = 10504928448.

The previous prime is 10505486951. The next prime is 10505487007. The reversal of 10505486983 is 38968450501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10505486983 - 2⁵ = 10505486951 is a prime.

It is a super-2 number, since 2×10505486983² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505486903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250035 + ... + 289012.

It is an arithmetic number, because the mean of its divisors is an integer number (2626511380).

Almost surely, 2^10505486983 is an apocalyptic number.

10505486983 is a deficient number, since it is larger than the sum of its proper divisors (558537).

10505486983 is an equidigital number, since it uses as much as digits as its factorization.

10505486983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558536.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 10505486983 in words is "ten billion, five hundred five million, four hundred eighty-six thousand, nine hundred eighty-three".