4742812384909 has 2 divisors, whose sum is σ = 4742812384910. Its totient is φ = 4742812384908.

The previous prime is 4742812384861. The next prime is 4742812384997. The reversal of 4742812384909 is 9094832182474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4729559310025 + 13253074884 = 2174755^2 + 115122^2 .

It is a cyclic number.

It is not a de Polignac number, because 4742812384909 - 2³¹ = 4740664901261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4742812384109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2371406192454 + 2371406192455.

It is an arithmetic number, because the mean of its divisors is an integer number (2371406192455).

Almost surely, 2^{4742812384909} is an apocalyptic number.

It is an amenable number.

4742812384909 is a deficient number, since it is larger than the sum of its proper divisors (1).

4742812384909 is an equidigital number, since it uses as much as digits as its factorization.

4742812384909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27869184, while the sum is 61.

The spelling of 4742812384909 in words is "four trillion, seven hundred forty-two billion, eight hundred twelve million, three hundred eighty-four thousand, nine hundred nine".