850292954389 has 2 divisors, whose sum is σ = 850292954390. Its totient is φ = 850292954388.

The previous prime is 850292954369. The next prime is 850292954417. The reversal of 850292954389 is 983459292058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 848950318225 + 1342636164 = 921385^2 + 36642^2 .

It is a cyclic number.

It is not a de Polignac number, because 850292954389 - 2⁷ = 850292954261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 850292954389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850292954369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425146477194 + 425146477195.

It is an arithmetic number, because the mean of its divisors is an integer number (425146477195).

Almost surely, 2^850292954389 is an apocalyptic number.

It is an amenable number.

850292954389 is a deficient number, since it is larger than the sum of its proper divisors (1).

850292954389 is an equidigital number, since it uses as much as digits as its factorization.

850292954389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55987200, while the sum is 64.

The spelling of 850292954389 in words is "eight hundred fifty billion, two hundred ninety-two million, nine hundred fifty-four thousand, three hundred eighty-nine".