21413364426053 has 16 divisors (see below), whose sum is σ = 23381127975936. Its totient is φ = 19550098465920.

The previous prime is 21413364426049. The next prime is 21413364426121. The reversal of 21413364426053 is 35062446331412.

It is a cyclic number.

It is not a de Polignac number, because 21413364426053 - 2² = 21413364426049 is a prime.

It is a super-2 number, since 2×21413364426053² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21413364425995 and 21413364426013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21413364422053) 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, 205651850 + ... + 205755947.

It is an arithmetic number, because the mean of its divisors is an integer number (1461320498496).

Almost surely, 2^{21413364426053} is an apocalyptic number.

21413364426053 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21413364426053 is a deficient number, since it is larger than the sum of its proper divisors (1967763549883).

21413364426053 is a wasteful number, since it uses less digits than its factorization.

21413364426053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411407924.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 21413364426053 in words is "twenty-one trillion, four hundred thirteen billion, three hundred sixty-four million, four hundred twenty-six thousand, fifty-three".