378815614039 has 2 divisors, whose sum is σ = 378815614040. Its totient is φ = 378815614038.

The previous prime is 378815614033. The next prime is 378815614109. The reversal of 378815614039 is 930416518873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378815614039 - 2¹⁷ = 378815482967 is a prime.

It is a super-2 number, since 2×378815614039² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378815614033) 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 as a sum of consecutive naturals, namely, 189407807019 + 189407807020.

It is an arithmetic number, because the mean of its divisors is an integer number (189407807020).

Almost surely, 2^378815614039 is an apocalyptic number.

378815614039 is a deficient number, since it is larger than the sum of its proper divisors (1).

378815614039 is an equidigital number, since it uses as much as digits as its factorization.

378815614039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 378815614039 in words is "three hundred seventy-eight billion, eight hundred fifteen million, six hundred fourteen thousand, thirty-nine".