30255679451 has 2 divisors, whose sum is σ = 30255679452. Its totient is φ = 30255679450.

The previous prime is 30255679427. The next prime is 30255679453. The reversal of 30255679451 is 15497655203.

It is a strong prime.

It is an emirp because it is prime and its reverse (15497655203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30255679451 - 2⁶ = 30255679387 is a prime.

It is a super-2 number, since 2×30255679451² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 30255679453, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30255679396 and 30255679405.

It is not a weakly prime, because it can be changed into another prime (30255679453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15127839725 + 15127839726.

It is an arithmetic number, because the mean of its divisors is an integer number (15127839726).

Almost surely, 2^30255679451 is an apocalyptic number.

30255679451 is a deficient number, since it is larger than the sum of its proper divisors (1).

30255679451 is an equidigital number, since it uses as much as digits as its factorization.

30255679451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 47.

The spelling of 30255679451 in words is "thirty billion, two hundred fifty-five million, six hundred seventy-nine thousand, four hundred fifty-one".