30941078953493 has 4 divisors (see below), whose sum is σ = 32008012710540. Its totient is φ = 29874145196448.

The previous prime is 30941078953487. The next prime is 30941078953513. The reversal of 30941078953493 is 39435987014903.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24843226552804 + 6097852400689 = 4984298^2 + 2469383^2 .

It is a cyclic number.

It is not a de Polignac number, because 30941078953493 - 2³⁸ = 30666201046549 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 (30941078953693) 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, 533466878480 + ... + 533466878537.

It is an arithmetic number, because the mean of its divisors is an integer number (8002003177635).

Almost surely, 2^{30941078953493} is an apocalyptic number.

It is an amenable number.

30941078953493 is a deficient number, since it is larger than the sum of its proper divisors (1066933757047).

30941078953493 is a wasteful number, since it uses less digits than its factorization.

30941078953493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066933757046.

The product of its (nonzero) digits is 88179840, while the sum is 65.

The spelling of 30941078953493 in words is "thirty trillion, nine hundred forty-one billion, seventy-eight million, nine hundred fifty-three thousand, four hundred ninety-three".