21214036462606 has 64 divisors (see below), whose sum is σ = 36693616680000. Its totient is φ = 9171547646976.

The previous prime is 21214036462573. The next prime is 21214036462613. The reversal of 21214036462606 is 60626463041212.

It is a super-2 number, since 2×21214036462606² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6002710 + ... + 8857798.

It is an arithmetic number, because the mean of its divisors is an integer number (573337760625).

Almost surely, 2^{21214036462606} is an apocalyptic number.

21214036462606 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

21214036462606 is a deficient number, since it is larger than the sum of its proper divisors (15479580217394).

21214036462606 is a wasteful number, since it uses less digits than its factorization.

21214036462606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855238 (or 2855212 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 21214036462606 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, four hundred sixty-two thousand, six hundred six".