21214036462605 has 48 divisors (see below), whose sum is σ = 39853094472000. Its totient is φ = 9607211136768.

The previous prime is 21214036462573. The next prime is 21214036462613. The reversal of 21214036462605 is 50626463041212.

It is a happy number.

It is not a de Polignac number, because 21214036462605 - 2⁵ = 21214036462573 is a prime.

It is a super-3 number, since 3×21214036462605³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134793480 + ... + 134950769.

It is an arithmetic number, because the mean of its divisors is an integer number (830272801500).

Almost surely, 2^{21214036462605} is an apocalyptic number.

It is an amenable number.

21214036462605 is a deficient number, since it is larger than the sum of its proper divisors (18639058009395).

21214036462605 is a wasteful number, since it uses less digits than its factorization.

21214036462605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269744378 (or 269744371 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 21214036462605 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, four hundred sixty-two thousand, six hundred five".