30497759993 has 2 divisors, whose sum is σ = 30497759994. Its totient is φ = 30497759992.

The previous prime is 30497759983. The next prime is 30497760001. The reversal of 30497759993 is 39995779403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30456183289 + 41576704 = 174517^2 + 6448^2 .

It is a cyclic number.

It is not a de Polignac number, because 30497759993 - 2¹⁴ = 30497743609 is a prime.

It is a super-2 number, since 2×30497759993² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30497759983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15248879996 + 15248879997.

It is an arithmetic number, because the mean of its divisors is an integer number (15248879997).

Almost surely, 2^30497759993 is an apocalyptic number.

It is an amenable number.

30497759993 is a deficient number, since it is larger than the sum of its proper divisors (1).

30497759993 is an equidigital number, since it uses as much as digits as its factorization.

30497759993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57868020, while the sum is 65.

The spelling of 30497759993 in words is "thirty billion, four hundred ninety-seven million, seven hundred fifty-nine thousand, nine hundred ninety-three".