791489426364 has 288 divisors, whose sum is σ = 2517114163200. Its totient is φ = 208374913152.

The previous prime is 791489426353. The next prime is 791489426369. The reversal of 791489426364 is 463624984197.

It is a happy number.

791489426364 is a `hidden beast` number, since 7 + 9 + 148 + 9 + 426 + 3 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791489426369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 97434007 + ... + 97442129.

Almost surely, 2^791489426364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 791489426364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1258557081600).

791489426364 is an abundant number, since it is smaller than the sum of its proper divisors (1725624736836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

791489426364 is a wasteful number, since it uses less digits than its factorization.

791489426364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8774 (or 8755 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The spelling of 791489426364 in words is "seven hundred ninety-one billion, four hundred eighty-nine million, four hundred twenty-six thousand, three hundred sixty-four".