378641013 has 8 divisors (see below), whose sum is σ = 507952608. Its totient is φ = 250878384.

The previous prime is 378641009. The next prime is 378641041. The reversal of 378641013 is 310146873.

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

It is not a de Polignac number, because 378641013 - 2² = 378641009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378641093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386670 + ... + 387647.

It is an arithmetic number, because the mean of its divisors is an integer number (63494076).

Almost surely, 2^378641013 is an apocalyptic number.

It is an amenable number.

378641013 is a deficient number, since it is larger than the sum of its proper divisors (129311595).

378641013 is a wasteful number, since it uses less digits than its factorization.

378641013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774483.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 378641013 is about 19458.7001878337. The cubic root of 378641013 is about 723.4511607460.

Adding to 378641013 its reverse (310146873), we get a palindrome (688787886).

The spelling of 378641013 in words is "three hundred seventy-eight million, six hundred forty-one thousand, thirteen".