30556101256493 has 32 divisors (see below), whose sum is σ = 32485727514240. Its totient is φ = 28697277127680.

The previous prime is 30556101256489. The next prime is 30556101256531. The reversal of 30556101256493 is 39465210165503.

It is a cyclic number.

It is not a de Polignac number, because 30556101256493 - 2² = 30556101256489 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 (30556101256403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100178705 + ... + 100483257.

It is an arithmetic number, because the mean of its divisors is an integer number (1015178984820).

Almost surely, 2^{30556101256493} is an apocalyptic number.

It is an amenable number.

30556101256493 is a deficient number, since it is larger than the sum of its proper divisors (1929626257747).

30556101256493 is a wasteful number, since it uses less digits than its factorization.

30556101256493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305309.

The product of its (nonzero) digits is 2916000, while the sum is 50.

The spelling of 30556101256493 in words is "thirty trillion, five hundred fifty-six billion, one hundred one million, two hundred fifty-six thousand, four hundred ninety-three".