30872246693 has 2 divisors, whose sum is σ = 30872246694. Its totient is φ = 30872246692.

The previous prime is 30872246683. The next prime is 30872246773. The reversal of 30872246693 is 39664227803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20175929764 + 10696316929 = 142042^2 + 103423^2 .

It is a cyclic number.

It is not a de Polignac number, because 30872246693 - 2⁴ = 30872246677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30872246623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15436123346 + 15436123347.

It is an arithmetic number, because the mean of its divisors is an integer number (15436123347).

Almost surely, 2^30872246693 is an apocalyptic number.

It is an amenable number.

30872246693 is a deficient number, since it is larger than the sum of its proper divisors (1).

30872246693 is an equidigital number, since it uses as much as digits as its factorization.

30872246693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 30872246693 in words is "thirty billion, eight hundred seventy-two million, two hundred forty-six thousand, six hundred ninety-three".