378263029 has 2 divisors, whose sum is σ = 378263030. Its totient is φ = 378263028.

The previous prime is 378263009. The next prime is 378263047. The reversal of 378263029 is 920362873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 350700529 + 27562500 = 18727^2 + 5250^2 .

It is a cyclic number.

It is not a de Polignac number, because 378263029 - 2⁷ = 378262901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378262982 and 378263000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378263009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189131514 + 189131515.

It is an arithmetic number, because the mean of its divisors is an integer number (189131515).

Almost surely, 2^378263029 is an apocalyptic number.

It is an amenable number.

378263029 is a deficient number, since it is larger than the sum of its proper divisors (1).

378263029 is an equidigital number, since it uses as much as digits as its factorization.

378263029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 378263029 is about 19448.9852948682. The cubic root of 378263029 is about 723.2103486510.

The spelling of 378263029 in words is "three hundred seventy-eight million, two hundred sixty-three thousand, twenty-nine".