4374778444405 has 8 divisors (see below), whose sum is σ = 5249756892600. Its totient is φ = 3499807582656.

The previous prime is 4374778444397. The next prime is 4374778444411. The reversal of 4374778444405 is 5044448774734.

It can be written as a sum of positive squares in 4 ways, for example, as 682393297041 + 3692385147364 = 826071^2 + 1921558^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4374778444405 - 2³ = 4374778444397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539710 + ... + 3006799.

It is an arithmetic number, because the mean of its divisors is an integer number (656219611575).

Almost surely, 2^{4374778444405} is an apocalyptic number.

It is an amenable number.

4374778444405 is a deficient number, since it is larger than the sum of its proper divisors (874978448195).

4374778444405 is a wasteful number, since it uses less digits than its factorization.

4374778444405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793223.

The product of its (nonzero) digits is 168591360, while the sum is 61.

The spelling of 4374778444405 in words is "four trillion, three hundred seventy-four billion, seven hundred seventy-eight million, four hundred forty-four thousand, four hundred five".