30697843741 has 2 divisors, whose sum is σ = 30697843742. Its totient is φ = 30697843740.

The previous prime is 30697843739. The next prime is 30697843793. The reversal of 30697843741 is 14734879603.

It is an a-pointer prime, because the next prime (30697843793) can be obtained adding 30697843741 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16648482841 + 14049360900 = 129029^2 + 118530^2 .

It is a cyclic number.

It is not a de Polignac number, because 30697843741 - 2¹ = 30697843739 is a prime.

It is a super-2 number, since 2×30697843741² (a number of 22 digits) contains 22 as substring.

Together with 30697843739, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30697243741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15348921870 + 15348921871.

It is an arithmetic number, because the mean of its divisors is an integer number (15348921871).

Almost surely, 2^30697843741 is an apocalyptic number.

It is an amenable number.

30697843741 is a deficient number, since it is larger than the sum of its proper divisors (1).

30697843741 is an equidigital number, since it uses as much as digits as its factorization.

30697843741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 30697843741 in words is "thirty billion, six hundred ninety-seven million, eight hundred forty-three thousand, seven hundred forty-one".