10287944481 has 4 divisors (see below), whose sum is σ = 13717259312. Its totient is φ = 6858629652.

The previous prime is 10287944479. The next prime is 10287944483. The reversal of 10287944481 is 18444978201.

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 an interprime number because it is at equal distance from previous prime (10287944479) and next prime (10287944483).

It is not a de Polignac number, because 10287944481 - 2¹ = 10287944479 is a prime.

It is a super-2 number, since 2×10287944481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10287944481.

It is not an unprimeable number, because it can be changed into a prime (10287944483) 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, 1714657411 + ... + 1714657416.

It is an arithmetic number, because the mean of its divisors is an integer number (3429314828).

Almost surely, 2^10287944481 is an apocalyptic number.

It is an amenable number.

10287944481 is a deficient number, since it is larger than the sum of its proper divisors (3429314831).

10287944481 is an equidigital number, since it uses as much as digits as its factorization.

10287944481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429314830.

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 10287944481 in words is "ten billion, two hundred eighty-seven million, nine hundred forty-four thousand, four hundred eighty-one".