784347350401 has 2 divisors, whose sum is σ = 784347350402. Its totient is φ = 784347350400.

The previous prime is 784347350393. The next prime is 784347350417. The reversal of 784347350401 is 104053743487.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 641599398001 + 142747952400 = 800999^2 + 377820^2 .

It is a cyclic number.

It is not a de Polignac number, because 784347350401 - 2³ = 784347350393 is a prime.

It is not a weakly prime, because it can be changed into another prime (784347350461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392173675200 + 392173675201.

It is an arithmetic number, because the mean of its divisors is an integer number (392173675201).

Almost surely, 2^784347350401 is an apocalyptic number.

It is an amenable number.

784347350401 is a deficient number, since it is larger than the sum of its proper divisors (1).

784347350401 is an equidigital number, since it uses as much as digits as its factorization.

784347350401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 784347350401 in words is "seven hundred eighty-four billion, three hundred forty-seven million, three hundred fifty thousand, four hundred one".