16340450593 has 2 divisors, whose sum is σ = 16340450594. Its totient is φ = 16340450592.

The previous prime is 16340450587. The next prime is 16340450603. The reversal of 16340450593 is 39505404361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10151167009 + 6189283584 = 100753^2 + 78672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16340450593 is a prime.

It is not a weakly prime, because it can be changed into another prime (16340450293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8170225296 + 8170225297.

It is an arithmetic number, because the mean of its divisors is an integer number (8170225297).

Almost surely, 2^16340450593 is an apocalyptic number.

It is an amenable number.

16340450593 is a deficient number, since it is larger than the sum of its proper divisors (1).

16340450593 is an equidigital number, since it uses as much as digits as its factorization.

16340450593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 16340450593 in words is "sixteen billion, three hundred forty million, four hundred fifty thousand, five hundred ninety-three".