10463477981 has 4 divisors (see below), whose sum is σ = 11414703264. Its totient is φ = 9512252700.

The previous prime is 10463477963. The next prime is 10463477987. The reversal of 10463477981 is 18977436401.

10463477981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10463477981 - 2¹⁸ = 10463215837 is a prime.

It is a super-2 number, since 2×10463477981² (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 (10463477987) 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 3 ways as a sum of consecutive naturals, for example, 475612625 + ... + 475612646.

It is an arithmetic number, because the mean of its divisors is an integer number (2853675816).

Almost surely, 2^10463477981 is an apocalyptic number.

10463477981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10463477981 is a deficient number, since it is larger than the sum of its proper divisors (951225283).

10463477981 is an equidigital number, since it uses as much as digits as its factorization.

10463477981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951225282.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 10463477981 in words is "ten billion, four hundred sixty-three million, four hundred seventy-seven thousand, nine hundred eighty-one".