30421494895 has 16 divisors (see below), whose sum is σ = 41109166080. Its totient is φ = 21411021600.

The previous prime is 30421494869. The next prime is 30421494899. The reversal of 30421494895 is 59849412403.

It is a happy number.

It is not a de Polignac number, because 30421494895 - 2¹³ = 30421486703 is a prime.

It is a super-2 number, since 2×30421494895² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421494899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8919555 + ... + 8922964.

It is an arithmetic number, because the mean of its divisors is an integer number (2569322880).

Almost surely, 2^30421494895 is an apocalyptic number.

30421494895 is a deficient number, since it is larger than the sum of its proper divisors (10687671185).

30421494895 is a wasteful number, since it uses less digits than its factorization.

30421494895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17842566.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 30421494895 in words is "thirty billion, four hundred twenty-one million, four hundred ninety-four thousand, eight hundred ninety-five".