30954620623 has 4 divisors (see below), whose sum is σ = 30960131248. Its totient is φ = 30949110000.

The previous prime is 30954620611. The next prime is 30954620647. The reversal of 30954620623 is 32602645903.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30954620623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30954626623) 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, 2746878 + ... + 2758123.

It is an arithmetic number, because the mean of its divisors is an integer number (7740032812).

Almost surely, 2^30954620623 is an apocalyptic number.

30954620623 is a deficient number, since it is larger than the sum of its proper divisors (5510625).

30954620623 is an equidigital number, since it uses as much as digits as its factorization.

30954620623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510624.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 30954620623 in words is "thirty billion, nine hundred fifty-four million, six hundred twenty thousand, six hundred twenty-three".