378299734697 has 2 divisors, whose sum is σ = 378299734698. Its totient is φ = 378299734696.

The previous prime is 378299734691. The next prime is 378299734721. The reversal of 378299734697 is 796437992873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378293883136 + 5851561 = 615056^2 + 2419^2 .

It is a cyclic number.

It is not a de Polignac number, because 378299734697 - 2⁶ = 378299734633 is a prime.

It is a super-2 number, since 2×378299734697² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (378299734691) 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, 189149867348 + 189149867349.

It is an arithmetic number, because the mean of its divisors is an integer number (189149867349).

Almost surely, 2^378299734697 is an apocalyptic number.

It is an amenable number.

378299734697 is a deficient number, since it is larger than the sum of its proper divisors (1).

378299734697 is an equidigital number, since it uses as much as digits as its factorization.

378299734697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864162432, while the sum is 74.

The spelling of 378299734697 in words is "three hundred seventy-eight billion, two hundred ninety-nine million, seven hundred thirty-four thousand, six hundred ninety-seven".