794454538387021 has 16 divisors (see below), whose sum is σ = 796613969067840. Its totient is φ = 792296673696000.

The previous prime is 794454538386991. The next prime is 794454538387061. The reversal of 794454538387021 is 120783835454497.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-794454538387021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (794454538387061) 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, 11249834250 + ... + 11249904868.

It is an arithmetic number, because the mean of its divisors is an integer number (49788373066740).

Almost surely, 2^{794454538387021} is an apocalyptic number.

It is an amenable number.

794454538387021 is a deficient number, since it is larger than the sum of its proper divisors (2159430680819).

794454538387021 is a wasteful number, since it uses less digits than its factorization.

794454538387021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81276.

The product of its (nonzero) digits is 812851200, while the sum is 70.

The spelling of 794454538387021 in words is "seven hundred ninety-four trillion, four hundred fifty-four billion, five hundred thirty-eight million, three hundred eighty-seven thousand, twenty-one".