784057289013 has 12 divisors (see below), whose sum is σ = 1156623519168. Its totient is φ = 511583479080.

The previous prime is 784057288991. The next prime is 784057289053. The reversal of 784057289013 is 310982750487.

It is a happy number.

784057289013 is a `hidden beast` number, since 78 + 405 + 72 + 8 + 90 + 13 = 666.

It is not a de Polignac number, because 784057289013 - 2¹⁸ = 784057026869 is a prime.

It is a super-2 number, since 2×784057289013² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (784057289053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 926781243 + ... + 926782088.

It is an arithmetic number, because the mean of its divisors is an integer number (96385293264).

Almost surely, 2^784057289013 is an apocalyptic number.

It is an amenable number.

784057289013 is a deficient number, since it is larger than the sum of its proper divisors (372566230155).

784057289013 is a wasteful number, since it uses less digits than its factorization.

784057289013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853563384 (or 1853563381 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 784057289013 in words is "seven hundred eighty-four billion, fifty-seven million, two hundred eighty-nine thousand, thirteen".