374208478737409 has 4 divisors (see below), whose sum is σ = 374208518220804. Its totient is φ = 374208439254016.

The previous prime is 374208478737367. The next prime is 374208478737421. The reversal of 374208478737409 is 904737874802473.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 51787957068225 + 322420521669184 = 7196385^2 + 17956072^2 .

It is a cyclic number.

It is not a de Polignac number, because 374208478737409 - 2⁷ = 374208478737281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (374208478737439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3960369 + ... + 27642385.

It is an arithmetic number, because the mean of its divisors is an integer number (93552129555201).

Almost surely, 2^{374208478737409} is an apocalyptic number.

It is an amenable number.

374208478737409 is a deficient number, since it is larger than the sum of its proper divisors (39483395).

374208478737409 is a wasteful number, since it uses less digits than its factorization.

374208478737409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39483394.

The product of its (nonzero) digits is 1593188352, while the sum is 73.

The spelling of 374208478737409 in words is "three hundred seventy-four trillion, two hundred eight billion, four hundred seventy-eight million, seven hundred thirty-seven thousand, four hundred nine".