10421261533463 has 4 divisors (see below), whose sum is σ = 11368648945608. Its totient is φ = 9473874121320.

The previous prime is 10421261533433. The next prime is 10421261533481. The reversal of 10421261533463 is 36433516212401.

It is a happy number.

10421261533463 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.

It is a cyclic number.

It is not a de Polignac number, because 10421261533463 - 2⁶ = 10421261533399 is a prime.

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 10421261533463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421261533433) 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, 473693706056 + ... + 473693706077.

It is an arithmetic number, because the mean of its divisors is an integer number (2842162236402).

Almost surely, 2^{10421261533463} is an apocalyptic number.

10421261533463 is a deficient number, since it is larger than the sum of its proper divisors (947387412145).

10421261533463 is an equidigital number, since it uses as much as digits as its factorization.

10421261533463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947387412144.

The product of its (nonzero) digits is 311040, while the sum is 41.

Adding to 10421261533463 its reverse (36433516212401), we get a palindrome (46854777745864).

The spelling of 10421261533463 in words is "ten trillion, four hundred twenty-one billion, two hundred sixty-one million, five hundred thirty-three thousand, four hundred sixty-three".