774394005461 has 4 divisors (see below), whose sum is σ = 774625655232. Its totient is φ = 774162355692.

The previous prime is 774394005439. The next prime is 774394005467. The reversal of 774394005461 is 164500493477.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-774394005461 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 (774394005467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115819871 + ... + 115826556.

It is an arithmetic number, because the mean of its divisors is an integer number (193656413808).

Almost surely, 2^774394005461 is an apocalyptic number.

It is an amenable number.

774394005461 is a deficient number, since it is larger than the sum of its proper divisors (231649771).

774394005461 is a wasteful number, since it uses less digits than its factorization.

774394005461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231649770.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 774394005461 in words is "seven hundred seventy-four billion, three hundred ninety-four million, five thousand, four hundred sixty-one".