2343890657539 has 2 divisors, whose sum is σ = 2343890657540. Its totient is φ = 2343890657538.

The previous prime is 2343890657531. The next prime is 2343890657567. The reversal of 2343890657539 is 9357560983432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2343890657539 - 2³ = 2343890657531 is a prime.

It is not a weakly prime, because it can be changed into another prime (2343890657531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1171945328769 + 1171945328770.

It is an arithmetic number, because the mean of its divisors is an integer number (1171945328770).

Almost surely, 2^{2343890657539} is an apocalyptic number.

2343890657539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2343890657539 is an equidigital number, since it uses as much as digits as its factorization.

2343890657539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 146966400, while the sum is 64.

The spelling of 2343890657539 in words is "two trillion, three hundred forty-three billion, eight hundred ninety million, six hundred fifty-seven thousand, five hundred thirty-nine".