782389130417 has 2 divisors, whose sum is σ = 782389130418. Its totient is φ = 782389130416.

The previous prime is 782389130371. The next prime is 782389130473. The reversal of 782389130417 is 714031983287.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452546816656 + 329842313761 = 672716^2 + 574319^2 .

It is a cyclic number.

It is not a de Polignac number, because 782389130417 - 2¹⁰ = 782389129393 is a prime.

It is a super-2 number, since 2×782389130417² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (782389130477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391194565208 + 391194565209.

It is an arithmetic number, because the mean of its divisors is an integer number (391194565209).

Almost surely, 2^782389130417 is an apocalyptic number.

It is an amenable number.

782389130417 is a deficient number, since it is larger than the sum of its proper divisors (1).

782389130417 is an equidigital number, since it uses as much as digits as its factorization.

782389130417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 782389130417 in words is "seven hundred eighty-two billion, three hundred eighty-nine million, one hundred thirty thousand, four hundred seventeen".