21476570616070 has 16 divisors (see below), whose sum is σ = 38657882081520. Its totient is φ = 8590616030304.

The previous prime is 21476570616023. The next prime is 21476570616073. The reversal of 21476570616070 is 7061607567412.

It is a happy number.

It is a super-2 number, since 2×21476570616070² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21476570615999 and 21476570616017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21476570616073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10001176 + ... + 11957284.

It is an arithmetic number, because the mean of its divisors is an integer number (2416117630095).

Almost surely, 2^{21476570616070} is an apocalyptic number.

21476570616070 is a deficient number, since it is larger than the sum of its proper divisors (17181311465450).

21476570616070 is a wasteful number, since it uses less digits than its factorization.

21476570616070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054039.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 21476570616070 in words is "twenty-one trillion, four hundred seventy-six billion, five hundred seventy million, six hundred sixteen thousand, seventy".