384709032749 has 2 divisors, whose sum is σ = 384709032750. Its totient is φ = 384709032748.

The previous prime is 384709032731. The next prime is 384709032761. The reversal of 384709032749 is 947230907483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237373584100 + 147335448649 = 487210^2 + 383843^2 .

It is a cyclic number.

It is not a de Polignac number, because 384709032749 - 2⁸ = 384709032493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 384709032694 and 384709032703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384709035749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192354516374 + 192354516375.

It is an arithmetic number, because the mean of its divisors is an integer number (192354516375).

Almost surely, 2^384709032749 is an apocalyptic number.

It is an amenable number.

384709032749 is a deficient number, since it is larger than the sum of its proper divisors (1).

384709032749 is an equidigital number, since it uses as much as digits as its factorization.

384709032749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 384709032749 in words is "three hundred eighty-four billion, seven hundred nine million, thirty-two thousand, seven hundred forty-nine".