21130397914 has 8 divisors (see below), whose sum is σ = 33363786240. Its totient is φ = 10009135836.

The previous prime is 21130397903. The next prime is 21130397927. The reversal of 21130397914 is 41979303112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278031514 + ... + 278031589.

It is an arithmetic number, because the mean of its divisors is an integer number (4170473280).

Almost surely, 2^21130397914 is an apocalyptic number.

21130397914 is a deficient number, since it is larger than the sum of its proper divisors (12233388326).

21130397914 is a wasteful number, since it uses less digits than its factorization.

21130397914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556063124.

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 21130397914 in words is "twenty-one billion, one hundred thirty million, three hundred ninety-seven thousand, nine hundred fourteen".