378802013 has 2 divisors, whose sum is σ = 378802014. Its totient is φ = 378802012.

The previous prime is 378802001. The next prime is 378802033. The reversal of 378802013 is 310208873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372760249 + 6041764 = 19307^2 + 2458^2 .

It is a cyclic number.

It is not a de Polignac number, because 378802013 - 2⁶ = 378801949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378802033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189401006 + 189401007.

It is an arithmetic number, because the mean of its divisors is an integer number (189401007).

Almost surely, 2^378802013 is an apocalyptic number.

It is an amenable number.

378802013 is a deficient number, since it is larger than the sum of its proper divisors (1).

378802013 is an equidigital number, since it uses as much as digits as its factorization.

378802013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 378802013 is about 19462.8367151348. The cubic root of 378802013 is about 723.5536845334.

It can be divided in two parts, 37880 and 2013, that added together give a palindrome (39893).

The spelling of 378802013 in words is "three hundred seventy-eight million, eight hundred two thousand, thirteen".