30354752645 has 32 divisors (see below), whose sum is σ = 44270841600. Its totient is φ = 19504659456.

The previous prime is 30354752633. The next prime is 30354752651. The reversal of 30354752645 is 54625745303.

It is a cyclic number.

It is not a de Polignac number, because 30354752645 - 2¹⁰ = 30354751621 is a prime.

It is a super-2 number, since 2×30354752645² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30354752596 and 30354752605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24866 + ... + 247644.

It is an arithmetic number, because the mean of its divisors is an integer number (1383463800).

Almost surely, 2^30354752645 is an apocalyptic number.

30354752645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30354752645 is a deficient number, since it is larger than the sum of its proper divisors (13916088955).

30354752645 is a wasteful number, since it uses less digits than its factorization.

30354752645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223037.

The product of its (nonzero) digits is 1512000, while the sum is 44.

The spelling of 30354752645 in words is "thirty billion, three hundred fifty-four million, seven hundred fifty-two thousand, six hundred forty-five".