21364105036 has 48 divisors (see below), whose sum is σ = 40369190400. Its totient is φ = 9867699072.

The previous prime is 21364105019. The next prime is 21364105057. The reversal of 21364105036 is 63050146312.

It is a super-3 number, since 3×21364105036³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 21364104989 and 21364105007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321745 + ... + 382423.

It is an arithmetic number, because the mean of its divisors is an integer number (841024800).

Almost surely, 2^21364105036 is an apocalyptic number.

It is an amenable number.

21364105036 is a deficient number, since it is larger than the sum of its proper divisors (19005085364).

21364105036 is a wasteful number, since it uses less digits than its factorization.

21364105036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60838 (or 60836 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 21364105036 in words is "twenty-one billion, three hundred sixty-four million, one hundred five thousand, thirty-six".