30854390053 has 4 divisors (see below), whose sum is σ = 31360199788. Its totient is φ = 30348580320.

The previous prime is 30854390029. The next prime is 30854390087. The reversal of 30854390053 is 35009345803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35009345803 = 41 ⋅853886483.

It can be written as a sum of positive squares in 2 ways, for example, as 12287057409 + 18567332644 = 110847^2 + 136262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30854390053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30854389988 and 30854390015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30854390353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252904776 + ... + 252904897.

It is an arithmetic number, because the mean of its divisors is an integer number (7840049947).

Almost surely, 2^30854390053 is an apocalyptic number.

It is an amenable number.

30854390053 is a deficient number, since it is larger than the sum of its proper divisors (505809735).

30854390053 is an equidigital number, since it uses as much as digits as its factorization.

30854390053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505809734.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 30854390053 in words is "thirty billion, eight hundred fifty-four million, three hundred ninety thousand, fifty-three".