2308746885889 has 2 divisors, whose sum is σ = 2308746885890. Its totient is φ = 2308746885888.

The previous prime is 2308746885821. The next prime is 2308746885979. The reversal of 2308746885889 is 9885886478032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2206909311489 + 101837574400 = 1485567^2 + 319120^2 .

It is a cyclic number.

It is not a de Polignac number, because 2308746885889 - 2⁷ = 2308746885761 is a prime.

It is not a weakly prime, because it can be changed into another prime (2308746885689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154373442944 + 1154373442945.

It is an arithmetic number, because the mean of its divisors is an integer number (1154373442945).

Almost surely, 2^{2308746885889} is an apocalyptic number.

It is an amenable number.

2308746885889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2308746885889 is an equidigital number, since it uses as much as digits as its factorization.

2308746885889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1486356480, while the sum is 76.

The spelling of 2308746885889 in words is "two trillion, three hundred eight billion, seven hundred forty-six million, eight hundred eighty-five thousand, eight hundred eighty-nine".