2931730469 has 2 divisors, whose sum is σ = 2931730470. Its totient is φ = 2931730468.

The previous prime is 2931730453. The next prime is 2931730493. The reversal of 2931730469 is 9640371392.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2813029444 + 118701025 = 53038^2 + 10895^2 .

It is a cyclic number.

It is not a de Polignac number, because 2931730469 - 2⁴ = 2931730453 is a prime.

It is a super-2 number, since 2×2931730469² = 17190087085725919922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2931730429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465865234 + 1465865235.

It is an arithmetic number, because the mean of its divisors is an integer number (1465865235).

Almost surely, 2^2931730469 is an apocalyptic number.

It is an amenable number.

2931730469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2931730469 is an equidigital number, since it uses as much as digits as its factorization.

2931730469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 2931730469 is about 54145.4565868642. The cubic root of 2931730469 is about 1431.2253290332.

The spelling of 2931730469 in words is "two billion, nine hundred thirty-one million, seven hundred thirty thousand, four hundred sixty-nine".