378005430503 has 4 divisors (see below), whose sum is σ = 400241044080. Its totient is φ = 355769816928.

The previous prime is 378005430479. The next prime is 378005430541. The reversal of 378005430503 is 305034500873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378005430503 - 2³⁴ = 360825561319 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 (378005430563) 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, 11117806763 + ... + 11117806796.

It is an arithmetic number, because the mean of its divisors is an integer number (100060261020).

Almost surely, 2^378005430503 is an apocalyptic number.

378005430503 is a deficient number, since it is larger than the sum of its proper divisors (22235613577).

378005430503 is a wasteful number, since it uses less digits than its factorization.

378005430503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22235613576.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 378005430503 in words is "three hundred seventy-eight billion, five million, four hundred thirty thousand, five hundred three".