30340945837 has 2 divisors, whose sum is σ = 30340945838. Its totient is φ = 30340945836.

The previous prime is 30340945807. The next prime is 30340945867. The reversal of 30340945837 is 73854904303.

It is a balanced prime because it is at equal distance from previous prime (30340945807) and next prime (30340945867).

It can be written as a sum of positive squares in only one way, i.e., 26573564196 + 3767381641 = 163014^2 + 61379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30340945837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30340945807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15170472918 + 15170472919.

It is an arithmetic number, because the mean of its divisors is an integer number (15170472919).

Almost surely, 2^30340945837 is an apocalyptic number.

It is an amenable number.

30340945837 is a deficient number, since it is larger than the sum of its proper divisors (1).

30340945837 is an equidigital number, since it uses as much as digits as its factorization.

30340945837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 30340945837 in words is "thirty billion, three hundred forty million, nine hundred forty-five thousand, eight hundred thirty-seven".