2927393432809 has 2 divisors, whose sum is σ = 2927393432810. Its totient is φ = 2927393432808.

The previous prime is 2927393432807. The next prime is 2927393432863. The reversal of 2927393432809 is 9082343937292.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2465465232400 + 461928200409 = 1570180^2 + 679653^2 .

It is a cyclic number.

It is not a de Polignac number, because 2927393432809 - 2¹ = 2927393432807 is a prime.

It is a super-2 number, since 2×2927393432809² (a number of 26 digits) contains 22 as substring.

Together with 2927393432807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2927393432807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1463696716404 + 1463696716405.

It is an arithmetic number, because the mean of its divisors is an integer number (1463696716405).

Almost surely, 2^{2927393432809} is an apocalyptic number.

It is an amenable number.

2927393432809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2927393432809 is an equidigital number, since it uses as much as digits as its factorization.

2927393432809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35271936, while the sum is 61.

The spelling of 2927393432809 in words is "two trillion, nine hundred twenty-seven billion, three hundred ninety-three million, four hundred thirty-two thousand, eight hundred nine".