30493741521 has 8 divisors (see below), whose sum is σ = 40917292864. Its totient is φ = 20199675600.

The previous prime is 30493741471. The next prime is 30493741589. The reversal of 30493741521 is 12514739403.

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

It is not a de Polignac number, because 30493741521 - 2⁶ = 30493741457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30493741521.

It is not an unprimeable number, because it can be changed into a prime (30493741321) 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, 32370805 + ... + 32371746.

It is an arithmetic number, because the mean of its divisors is an integer number (5114661608).

Almost surely, 2^30493741521 is an apocalyptic number.

It is an amenable number.

30493741521 is a deficient number, since it is larger than the sum of its proper divisors (10423551343).

30493741521 is a wasteful number, since it uses less digits than its factorization.

30493741521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64742711.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 30493741521 in words is "thirty billion, four hundred ninety-three million, seven hundred forty-one thousand, five hundred twenty-one".