378370913 has 2 divisors, whose sum is σ = 378370914. Its totient is φ = 378370912.

The previous prime is 378370901. The next prime is 378370933. The reversal of 378370913 is 319073873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214095424 + 164275489 = 14632^2 + 12817^2 .

It is a cyclic number.

It is not a de Polignac number, because 378370913 - 2¹⁸ = 378108769 is a prime.

It is not a weakly prime, because it can be changed into another prime (378370933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189185456 + 189185457.

It is an arithmetic number, because the mean of its divisors is an integer number (189185457).

Almost surely, 2^378370913 is an apocalyptic number.

It is an amenable number.

378370913 is a deficient number, since it is larger than the sum of its proper divisors (1).

378370913 is an equidigital number, since it uses as much as digits as its factorization.

378370913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 378370913 is about 19451.7586094420. The cubic root of 378370913 is about 723.2790974693.

The spelling of 378370913 in words is "three hundred seventy-eight million, three hundred seventy thousand, nine hundred thirteen".