21373466264076 has 12 divisors (see below), whose sum is σ = 49871421282872. Its totient is φ = 7124488754688.

The previous prime is 21373466264057. The next prime is 21373466264077. The reversal of 21373466264076 is 67046266437312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×21373466264076³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21373466264077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890561094325 + ... + 890561094348.

Almost surely, 2^{21373466264076} is an apocalyptic number.

It is an amenable number.

21373466264076 is an abundant number, since it is smaller than the sum of its proper divisors (28497955018796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21373466264076 is a wasteful number, since it uses less digits than its factorization.

21373466264076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781122188680 (or 1781122188678 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 57.

The spelling of 21373466264076 in words is "twenty-one trillion, three hundred seventy-three billion, four hundred sixty-six million, two hundred sixty-four thousand, seventy-six".