2398442747 has 2 divisors, whose sum is σ = 2398442748. Its totient is φ = 2398442746.

The previous prime is 2398442731. The next prime is 2398442779. The reversal of 2398442747 is 7472448932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2398442747 - 2⁴ = 2398442731 is a prime.

It is a super-2 number, since 2×2398442747² = 11505055221273812018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2398442695 and 2398442704.

It is not a weakly prime, because it can be changed into another prime (2398442797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1199221373 + 1199221374.

It is an arithmetic number, because the mean of its divisors is an integer number (1199221374).

Almost surely, 2^2398442747 is an apocalyptic number.

2398442747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2398442747 is an equidigital number, since it uses as much as digits as its factorization.

2398442747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 50.

The square root of 2398442747 is about 48973.8986297803. The cubic root of 2398442747 is about 1338.5762607134.

The spelling of 2398442747 in words is "two billion, three hundred ninety-eight million, four hundred forty-two thousand, seven hundred forty-seven".