794397249491 has 2 divisors, whose sum is σ = 794397249492. Its totient is φ = 794397249490.

The previous prime is 794397249479. The next prime is 794397249673. The reversal of 794397249491 is 194942793497.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-794397249491 is a prime.

It is a super-3 number, since 3×794397249491³ (a number of 37 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (794397249421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397198624745 + 397198624746.

It is an arithmetic number, because the mean of its divisors is an integer number (397198624746).

Almost surely, 2^794397249491 is an apocalyptic number.

794397249491 is a deficient number, since it is larger than the sum of its proper divisors (1).

794397249491 is an equidigital number, since it uses as much as digits as its factorization.

794397249491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123451776, while the sum is 68.

The spelling of 794397249491 in words is "seven hundred ninety-four billion, three hundred ninety-seven million, two hundred forty-nine thousand, four hundred ninety-one".