30420411451 has 4 divisors (see below), whose sum is σ = 30424125400. Its totient is φ = 30416697504.

The previous prime is 30420411449. The next prime is 30420411457. The reversal of 30420411451 is 15411402403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30420411451 - 2¹ = 30420411449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30420411457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1844661 + ... + 1861078.

It is an arithmetic number, because the mean of its divisors is an integer number (7606031350).

Almost surely, 2^30420411451 is an apocalyptic number.

30420411451 is a deficient number, since it is larger than the sum of its proper divisors (3713949).

30420411451 is an equidigital number, since it uses as much as digits as its factorization.

30420411451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713948.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 30420411451 its reverse (15411402403), we get a palindrome (45831813854).

The spelling of 30420411451 in words is "thirty billion, four hundred twenty million, four hundred eleven thousand, four hundred fifty-one".