378354874769 has 8 divisors (see below), whose sum is σ = 385672010688. Its totient is φ = 371107759600.

The previous prime is 378354874741. The next prime is 378354874831. The reversal of 378354874769 is 967478453873.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378354874769 is a prime.

It is a super-2 number, since 2×378354874769² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378354874739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17494277 + ... + 17515890.

It is an arithmetic number, because the mean of its divisors is an integer number (48209001336).

Almost surely, 2^378354874769 is an apocalyptic number.

It is an amenable number.

378354874769 is a deficient number, since it is larger than the sum of its proper divisors (7317135919).

378354874769 is a wasteful number, since it uses less digits than its factorization.

378354874769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35010375.

The product of its digits is 853493760, while the sum is 71.

The spelling of 378354874769 in words is "three hundred seventy-eight billion, three hundred fifty-four million, eight hundred seventy-four thousand, seven hundred sixty-nine".