30514956887689 has 2 divisors, whose sum is σ = 30514956887690. Its totient is φ = 30514956887688.

The previous prime is 30514956887651. The next prime is 30514956887713. The reversal of 30514956887689 is 98678865941503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20257560705600 + 10257396182089 = 4500840^2 + 3202717^2 .

It is a cyclic number.

It is not a de Polignac number, because 30514956887689 - 2¹¹ = 30514956885641 is a prime.

It is not a weakly prime, because it can be changed into another prime (30514956887189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15257478443844 + 15257478443845.

It is an arithmetic number, because the mean of its divisors is an integer number (15257478443845).

Almost surely, 2^{30514956887689} is an apocalyptic number.

It is an amenable number.

30514956887689 is a deficient number, since it is larger than the sum of its proper divisors (1).

30514956887689 is an equidigital number, since it uses as much as digits as its factorization.

30514956887689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3135283200, while the sum is 79.

The spelling of 30514956887689 in words is "thirty trillion, five hundred fourteen billion, nine hundred fifty-six million, eight hundred eighty-seven thousand, six hundred eighty-nine".