21463049558719 has 16 divisors (see below), whose sum is σ = 22624419600000. Its totient is φ = 20304855960480.

The previous prime is 21463049558689. The next prime is 21463049558777. The reversal of 21463049558719 is 91785594036412.

It is a cyclic number.

It is not a de Polignac number, because 21463049558719 - 2⁷ = 21463049558591 is a prime.

It is a super-2 number, since 2×21463049558719² (a number of 27 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 (21463049528719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493393032 + ... + 493436530.

It is an arithmetic number, because the mean of its divisors is an integer number (1414026225000).

It is a 1-persistent number, because it is pandigital, but 2⋅21463049558719 = 42926099117438 is not.

Almost surely, 2^{21463049558719} is an apocalyptic number.

21463049558719 is a deficient number, since it is larger than the sum of its proper divisors (1161370041281).

21463049558719 is a wasteful number, since it uses less digits than its factorization.

21463049558719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79398.

The product of its (nonzero) digits is 65318400, while the sum is 64.

The spelling of 21463049558719 in words is "twenty-one trillion, four hundred sixty-three billion, forty-nine million, five hundred fifty-eight thousand, seven hundred nineteen".