2398206739 has 2 divisors, whose sum is σ = 2398206740. Its totient is φ = 2398206738.

The previous prime is 2398206719. The next prime is 2398206749. The reversal of 2398206739 is 9376028932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2398206739 - 2²³ = 2389818131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2398206692 and 2398206701.

It is not a weakly prime, because it can be changed into another prime (2398206709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1199103369 + 1199103370.

It is an arithmetic number, because the mean of its divisors is an integer number (1199103370).

Almost surely, 2^2398206739 is an apocalyptic number.

2398206739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2398206739 is an equidigital number, since it uses as much as digits as its factorization.

2398206739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 2398206739 is about 48971.4890420947. The cubic root of 2398206739 is about 1338.5323537424.

The spelling of 2398206739 in words is "two billion, three hundred ninety-eight million, two hundred six thousand, seven hundred thirty-nine".