774641348613 has 32 divisors (see below), whose sum is σ = 1252100488320. Its totient is φ = 469421527680.

The previous prime is 774641348609. The next prime is 774641348641. The reversal of 774641348613 is 316843146477.

It is a happy number.

774641348613 is a `hidden beast` number, since 7 + 7 + 4 + 6 + 4 + 13 + 4 + 8 + 613 = 666.

It is not a de Polignac number, because 774641348613 - 2² = 774641348609 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 774641348613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774641348603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2307031 + ... + 2621387.

It is an arithmetic number, because the mean of its divisors is an integer number (39128140260).

Almost surely, 2^774641348613 is an apocalyptic number.

It is an amenable number.

774641348613 is a deficient number, since it is larger than the sum of its proper divisors (477459139707).

774641348613 is a wasteful number, since it uses less digits than its factorization.

774641348613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322674 (or 322668 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 774641348613 in words is "seven hundred seventy-four billion, six hundred forty-one million, three hundred forty-eight thousand, six hundred thirteen".