782398655049 has 16 divisors (see below), whose sum is σ = 1204977608640. Its totient is φ = 446288002560.

The previous prime is 782398655033. The next prime is 782398655063. The reversal of 782398655049 is 940556893287.

It is not a de Polignac number, because 782398655049 - 2⁴ = 782398655033 is a prime.

It is a super-2 number, since 2×782398655049² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (782398657049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697324444 + ... + 697325565.

It is an arithmetic number, because the mean of its divisors is an integer number (75311100540).

Almost surely, 2^782398655049 is an apocalyptic number.

It is an amenable number.

782398655049 is a deficient number, since it is larger than the sum of its proper divisors (422578953591).

782398655049 is a wasteful number, since it uses less digits than its factorization.

782398655049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394650040.

The product of its (nonzero) digits is 130636800, while the sum is 66.

The spelling of 782398655049 in words is "seven hundred eighty-two billion, three hundred ninety-eight million, six hundred fifty-five thousand, forty-nine".