784007706049 has 2 divisors, whose sum is σ = 784007706050. Its totient is φ = 784007706048.

The previous prime is 784007706029. The next prime is 784007706067. The reversal of 784007706049 is 940607700487.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499364115649 + 284643590400 = 706657^2 + 533520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-784007706049 is a prime.

It is a super-2 number, since 2×784007706049² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 784007705987 and 784007706005.

It is not a weakly prime, because it can be changed into another prime (784007706029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392003853024 + 392003853025.

It is an arithmetic number, because the mean of its divisors is an integer number (392003853025).

Almost surely, 2^784007706049 is an apocalyptic number.

It is an amenable number.

784007706049 is a deficient number, since it is larger than the sum of its proper divisors (1).

784007706049 is an equidigital number, since it uses as much as digits as its factorization.

784007706049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 784007706049 in words is "seven hundred eighty-four billion, seven million, seven hundred six thousand, forty-nine".