21675770130 has 64 divisors (see below), whose sum is σ = 59755449600. Its totient is φ = 4929302784.

The previous prime is 21675770113. The next prime is 21675770141. The reversal of 21675770130 is 3107757612.

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, 220605 + ... + 303344.

It is an arithmetic number, because the mean of its divisors is an integer number (933678900).

Almost surely, 2^21675770130 is an apocalyptic number.

21675770130 is an abundant number, since it is smaller than the sum of its proper divisors (38079679470).

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

21675770130 is a wasteful number, since it uses less digits than its factorization.

21675770130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524163.

The product of its (nonzero) digits is 61740, while the sum is 39.

The spelling of 21675770130 in words is "twenty-one billion, six hundred seventy-five million, seven hundred seventy thousand, one hundred thirty".