30330408725 has 6 divisors (see below), whose sum is σ = 37609706850. Its totient is φ = 24264326960.

The previous prime is 30330408677. The next prime is 30330408751. The reversal of 30330408725 is 52780403303.

It can be written as a sum of positive squares in 3 ways, for example, as 4838454481 + 25491954244 = 69559^2 + 159662^2 .

It is not a de Polignac number, because 30330408725 - 2²² = 30326214421 is a prime.

It is a super-2 number, since 2×30330408725² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 606608150 + ... + 606608199.

It is an arithmetic number, because the mean of its divisors is an integer number (6268284475).

Almost surely, 2^30330408725 is an apocalyptic number.

It is an amenable number.

30330408725 is a deficient number, since it is larger than the sum of its proper divisors (7279298125).

30330408725 is a wasteful number, since it uses less digits than its factorization.

30330408725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213216359 (or 1213216354 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 30330408725 in words is "thirty billion, three hundred thirty million, four hundred eight thousand, seven hundred twenty-five".