2159340497 has 2 divisors, whose sum is σ = 2159340498. Its totient is φ = 2159340496.

The previous prime is 2159340439. The next prime is 2159340499. The reversal of 2159340497 is 7940439512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1185838096 + 973502401 = 34436^2 + 31201^2 .

It is a cyclic number.

It is not a de Polignac number, because 2159340497 - 2⁸ = 2159340241 is a prime.

Together with 2159340499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2159340499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079670248 + 1079670249.

It is an arithmetic number, because the mean of its divisors is an integer number (1079670249).

Almost surely, 2^2159340497 is an apocalyptic number.

It is an amenable number.

2159340497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159340497 is an equidigital number, since it uses as much as digits as its factorization.

2159340497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 2159340497 is about 46468.7044902265. The cubic root of 2159340497 is about 1292.5292398734.

The spelling of 2159340497 in words is "two billion, one hundred fifty-nine million, three hundred forty thousand, four hundred ninety-seven".