541421421263 has 4 divisors (see below), whose sum is σ = 569917285560. Its totient is φ = 512925556968.

The previous prime is 541421421251. The next prime is 541421421293. The reversal of 541421421263 is 362124124145.

It is a happy number.

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 541421421263 - 2¹² = 541421417167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541421421293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14247932120 + ... + 14247932157.

It is an arithmetic number, because the mean of its divisors is an integer number (142479321390).

Almost surely, 2^541421421263 is an apocalyptic number.

541421421263 is a deficient number, since it is larger than the sum of its proper divisors (28495864297).

541421421263 is a wasteful number, since it uses less digits than its factorization.

541421421263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28495864296.

The product of its digits is 46080, while the sum is 35.

The spelling of 541421421263 in words is "five hundred forty-one billion, four hundred twenty-one million, four hundred twenty-one thousand, two hundred sixty-three".