862054479409 has 2 divisors, whose sum is σ = 862054479410. Its totient is φ = 862054479408.

The previous prime is 862054479313. The next prime is 862054479427. The reversal of 862054479409 is 904974450268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 854034739600 + 8019739809 = 924140^2 + 89553^2 .

It is a cyclic number.

It is not a de Polignac number, because 862054479409 - 2¹³ = 862054471217 is a prime.

It is not a weakly prime, because it can be changed into another prime (862054479709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431027239704 + 431027239705.

It is an arithmetic number, because the mean of its divisors is an integer number (431027239705).

Almost surely, 2^862054479409 is an apocalyptic number.

It is an amenable number.

862054479409 is a deficient number, since it is larger than the sum of its proper divisors (1).

862054479409 is an equidigital number, since it uses as much as digits as its factorization.

862054479409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 862054479409 in words is "eight hundred sixty-two billion, fifty-four million, four hundred seventy-nine thousand, four hundred nine".