30269961973 has 2 divisors, whose sum is σ = 30269961974. Its totient is φ = 30269961972.

The previous prime is 30269961961. The next prime is 30269962013. The reversal of 30269961973 is 37916996203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27553676049 + 2716285924 = 165993^2 + 52118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30269961973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30269961173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15134980986 + 15134980987.

It is an arithmetic number, because the mean of its divisors is an integer number (15134980987).

Almost surely, 2^30269961973 is an apocalyptic number.

It is an amenable number.

30269961973 is a deficient number, since it is larger than the sum of its proper divisors (1).

30269961973 is an equidigital number, since it uses as much as digits as its factorization.

30269961973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3306744, while the sum is 55.

The spelling of 30269961973 in words is "thirty billion, two hundred sixty-nine million, nine hundred sixty-one thousand, nine hundred seventy-three".