10259988481 has 4 divisors (see below), whose sum is σ = 10260270000. Its totient is φ = 10259706964.

The previous prime is 10259988463. The next prime is 10259988509. The reversal of 10259988481 is 18488995201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10259988481 - 2¹¹ = 10259986433 is a prime.

It is a super-2 number, since 2×10259988481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10259988881) 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, 76231 + ... + 162268.

It is an arithmetic number, because the mean of its divisors is an integer number (2565067500).

Almost surely, 2^10259988481 is an apocalyptic number.

It is an amenable number.

10259988481 is a deficient number, since it is larger than the sum of its proper divisors (281519).

10259988481 is an equidigital number, since it uses as much as digits as its factorization.

10259988481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281518.

The product of its (nonzero) digits is 1658880, while the sum is 55.

The spelling of 10259988481 in words is "ten billion, two hundred fifty-nine million, nine hundred eighty-eight thousand, four hundred eighty-one".